Home / 45,220.25-62,403.95-25,080.21

Finding the Fourth Proportional to 45,220.25, 62,403.95 and 25,080.21

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Solution

The fourth proportional to 45,220.25, 62,403.95 and 25,080.21 is: 34,610.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,220.25 : 62,403.95 = 25,080.21 : x
  2. Step 2: Convert to fraction form
    45,220.25/62,403.95 = 25,080.21/x
  3. Step 3: Cross multiply
    45,220.25x = 62,403.95 × 25,080.21
  4. Step 4: Simplify right side
    45,220.25x = 1,565,104,170.83
  5. Step 5: Solve for x
    x = 1,565,104,170.83/45,220.25
  6. Step 6: Final answer
    x = 34,610.69

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Half scale
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Double scale
Find fourth proportional to 45,221.25, 62,405.33 and 25,081.21
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.