Home / 71,255.16-98,285.94-56,123.28

Finding the Fourth Proportional to 71,255.16, 98,285.94 and 56,123.28

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Solution

The fourth proportional to 71,255.16, 98,285.94 and 56,123.28 is: 77,413.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,255.16 : 98,285.94 = 56,123.28 : x
  2. Step 2: Convert to fraction form
    71,255.16/98,285.94 = 56,123.28/x
  3. Step 3: Cross multiply
    71,255.16x = 98,285.94 × 56,123.28
  4. Step 4: Simplify right side
    71,255.16x = 5,516,129,330.68
  5. Step 5: Solve for x
    x = 5,516,129,330.68/71,255.16
  6. Step 6: Final answer
    x = 77,413.75

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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.