Home / 66,402.72-99,569.52-31,332.96

Finding the Fourth Proportional to 66,402.72, 99,569.52 and 31,332.96

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Solution

The fourth proportional to 66,402.72, 99,569.52 and 31,332.96 is: 46,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,402.72 : 99,569.52 = 31,332.96 : x
  2. Step 2: Convert to fraction form
    66,402.72/99,569.52 = 31,332.96/x
  3. Step 3: Cross multiply
    66,402.72x = 99,569.52 × 31,332.96
  4. Step 4: Simplify right side
    66,402.72x = 3,119,807,787.38
  5. Step 5: Solve for x
    x = 3,119,807,787.38/66,402.72
  6. Step 6: Final answer
    x = 46,983.13

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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.