Home / 71,548.48-98,691.24-56,436.22

Finding the Fourth Proportional to 71,548.48, 98,691.24 and 56,436.22

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Solution

The fourth proportional to 71,548.48, 98,691.24 and 56,436.22 is: 77,845.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,548.48 : 98,691.24 = 56,436.22 : x
  2. Step 2: Convert to fraction form
    71,548.48/98,691.24 = 56,436.22/x
  3. Step 3: Cross multiply
    71,548.48x = 98,691.24 × 56,436.22
  4. Step 4: Simplify right side
    71,548.48x = 5,569,760,532.71
  5. Step 5: Solve for x
    x = 5,569,760,532.71/71,548.48
  6. Step 6: Final answer
    x = 77,845.97

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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.