Home / 47,104.04-64,987.21-30,118.23

Finding the Fourth Proportional to 47,104.04, 64,987.21 and 30,118.23

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Solution

The fourth proportional to 47,104.04, 64,987.21 and 30,118.23 is: 41,552.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,104.04 : 64,987.21 = 30,118.23 : x
  2. Step 2: Convert to fraction form
    47,104.04/64,987.21 = 30,118.23/x
  3. Step 3: Cross multiply
    47,104.04x = 64,987.21 × 30,118.23
  4. Step 4: Simplify right side
    47,104.04x = 1,957,299,737.84
  5. Step 5: Solve for x
    x = 1,957,299,737.84/47,104.04
  6. Step 6: Final answer
    x = 41,552.69

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Half scale
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Double scale
Find fourth proportional to 47,105.04, 64,988.59 and 30,119.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.