Home / 99,961.92-137,957.28-57,522.24

Finding the Fourth Proportional to 99,961.92, 137,957.28 and 57,522.24

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Solution

The fourth proportional to 99,961.92, 137,957.28 and 57,522.24 is: 79,386.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,961.92 : 137,957.28 = 57,522.24 : x
  2. Step 2: Convert to fraction form
    99,961.92/137,957.28 = 57,522.24/x
  3. Step 3: Cross multiply
    99,961.92x = 137,957.28 × 57,522.24
  4. Step 4: Simplify right side
    99,961.92x = 7,935,611,769.91
  5. Step 5: Solve for x
    x = 7,935,611,769.91/99,961.92
  6. Step 6: Final answer
    x = 79,386.35

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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.