Home / 90,901.62-136,414.73-31,737.27

Finding the Fourth Proportional to 90,901.62, 136,414.73 and 31,737.27

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Solution

The fourth proportional to 90,901.62, 136,414.73 and 31,737.27 is: 47,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,901.62 : 136,414.73 = 31,737.27 : x
  2. Step 2: Convert to fraction form
    90,901.62/136,414.73 = 31,737.27/x
  3. Step 3: Cross multiply
    90,901.62x = 136,414.73 × 31,737.27
  4. Step 4: Simplify right side
    90,901.62x = 4,329,430,959.30
  5. Step 5: Solve for x
    x = 4,329,430,959.30/90,901.62
  6. Step 6: Final answer
    x = 47,627.65

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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.