Home / 71,169.38-106,752.36-23,137.92

Finding the Fourth Proportional to 71,169.38, 106,752.36 and 23,137.92

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Solution

The fourth proportional to 71,169.38, 106,752.36 and 23,137.92 is: 34,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,169.38 : 106,752.36 = 23,137.92 : x
  2. Step 2: Convert to fraction form
    71,169.38/106,752.36 = 23,137.92/x
  3. Step 3: Cross multiply
    71,169.38x = 106,752.36 × 23,137.92
  4. Step 4: Simplify right side
    71,169.38x = 2,470,027,565.49
  5. Step 5: Solve for x
    x = 2,470,027,565.49/71,169.38
  6. Step 6: Final answer
    x = 34,706.32

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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.