Home / 81,132.38-111,960.50-44,337.15

Finding the Fourth Proportional to 81,132.38, 111,960.50 and 44,337.15

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Solution

The fourth proportional to 81,132.38, 111,960.50 and 44,337.15 is: 61,184.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,132.38 : 111,960.50 = 44,337.15 : x
  2. Step 2: Convert to fraction form
    81,132.38/111,960.50 = 44,337.15/x
  3. Step 3: Cross multiply
    81,132.38x = 111,960.50 × 44,337.15
  4. Step 4: Simplify right side
    81,132.38x = 4,964,009,320.10
  5. Step 5: Solve for x
    x = 4,964,009,320.10/81,132.38
  6. Step 6: Final answer
    x = 61,184.07

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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.