Home / 113,839.92-157,084.60-63,541.04

Finding the Fourth Proportional to 113,839.92, 157,084.60 and 63,541.04

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Solution

The fourth proportional to 113,839.92, 157,084.60 and 63,541.04 is: 87,678.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,839.92 : 157,084.60 = 63,541.04 : x
  2. Step 2: Convert to fraction form
    113,839.92/157,084.60 = 63,541.04/x
  3. Step 3: Cross multiply
    113,839.92x = 157,084.60 × 63,541.04
  4. Step 4: Simplify right side
    113,839.92x = 9,981,318,851.98
  5. Step 5: Solve for x
    x = 9,981,318,851.98/113,839.92
  6. Step 6: Final answer
    x = 87,678.55

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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.