Home / 77,553.72-116,331.20-42,474.24

Finding the Fourth Proportional to 77,553.72, 116,331.20 and 42,474.24

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Solution

The fourth proportional to 77,553.72, 116,331.20 and 42,474.24 is: 63,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,553.72 : 116,331.20 = 42,474.24 : x
  2. Step 2: Convert to fraction form
    77,553.72/116,331.20 = 42,474.24/x
  3. Step 3: Cross multiply
    77,553.72x = 116,331.20 × 42,474.24
  4. Step 4: Simplify right side
    77,553.72x = 4,941,079,308.29
  5. Step 5: Solve for x
    x = 4,941,079,308.29/77,553.72
  6. Step 6: Final answer
    x = 63,711.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.