Home / 71,403.52-98,535.36-39,572.14

Finding the Fourth Proportional to 71,403.52, 98,535.36 and 39,572.14

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Solution

The fourth proportional to 71,403.52, 98,535.36 and 39,572.14 is: 54,608.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,403.52 : 98,535.36 = 39,572.14 : x
  2. Step 2: Convert to fraction form
    71,403.52/98,535.36 = 39,572.14/x
  3. Step 3: Cross multiply
    71,403.52x = 98,535.36 × 39,572.14
  4. Step 4: Simplify right side
    71,403.52x = 3,899,255,060.87
  5. Step 5: Solve for x
    x = 3,899,255,060.87/71,403.52
  6. Step 6: Final answer
    x = 54,608.72

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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.