Home / 111,331.28-153,640.68-61,034.96

Finding the Fourth Proportional to 111,331.28, 153,640.68 and 61,034.96

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Solution

The fourth proportional to 111,331.28, 153,640.68 and 61,034.96 is: 84,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,331.28 : 153,640.68 = 61,034.96 : x
  2. Step 2: Convert to fraction form
    111,331.28/153,640.68 = 61,034.96/x
  3. Step 3: Cross multiply
    111,331.28x = 153,640.68 × 61,034.96
  4. Step 4: Simplify right side
    111,331.28x = 9,377,452,758.17
  5. Step 5: Solve for x
    x = 9,377,452,758.17/111,331.28
  6. Step 6: Final answer
    x = 84,230.17

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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.