Home / 71,052.04-98,051.47-39,220.66

Finding the Fourth Proportional to 71,052.04, 98,051.47 and 39,220.66

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Solution

The fourth proportional to 71,052.04, 98,051.47 and 39,220.66 is: 54,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,052.04 : 98,051.47 = 39,220.66 : x
  2. Step 2: Convert to fraction form
    71,052.04/98,051.47 = 39,220.66/x
  3. Step 3: Cross multiply
    71,052.04x = 98,051.47 × 39,220.66
  4. Step 4: Simplify right side
    71,052.04x = 3,845,643,367.37
  5. Step 5: Solve for x
    x = 3,845,643,367.37/71,052.04
  6. Step 6: Final answer
    x = 54,124.32

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Half scale
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Double scale
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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.