Home / 72,753.15-108,487.22-63,904.71

Finding the Fourth Proportional to 72,753.15, 108,487.22 and 63,904.71

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Solution

The fourth proportional to 72,753.15, 108,487.22 and 63,904.71 is: 95,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,753.15 : 108,487.22 = 63,904.71 : x
  2. Step 2: Convert to fraction form
    72,753.15/108,487.22 = 63,904.71/x
  3. Step 3: Cross multiply
    72,753.15x = 108,487.22 × 63,904.71
  4. Step 4: Simplify right side
    72,753.15x = 6,932,844,013.28
  5. Step 5: Solve for x
    x = 6,932,844,013.28/72,753.15
  6. Step 6: Final answer
    x = 95,292.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.