Home / 111,502.20-153,874.16-60,515.38

Finding the Fourth Proportional to 111,502.20, 153,874.16 and 60,515.38

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Solution

The fourth proportional to 111,502.20, 153,874.16 and 60,515.38 is: 83,511.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,502.20 : 153,874.16 = 60,515.38 : x
  2. Step 2: Convert to fraction form
    111,502.20/153,874.16 = 60,515.38/x
  3. Step 3: Cross multiply
    111,502.20x = 153,874.16 × 60,515.38
  4. Step 4: Simplify right side
    111,502.20x = 9,311,753,264.58
  5. Step 5: Solve for x
    x = 9,311,753,264.58/111,502.20
  6. Step 6: Final answer
    x = 83,511.83

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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.