Home / 68,988.38-103,943.57-62,332.61

Finding the Fourth Proportional to 68,988.38, 103,943.57 and 62,332.61

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Solution

The fourth proportional to 68,988.38, 103,943.57 and 62,332.61 is: 93,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,988.38 : 103,943.57 = 62,332.61 : x
  2. Step 2: Convert to fraction form
    68,988.38/103,943.57 = 62,332.61/x
  3. Step 3: Cross multiply
    68,988.38x = 103,943.57 × 62,332.61
  4. Step 4: Simplify right side
    68,988.38x = 6,479,073,179.44
  5. Step 5: Solve for x
    x = 6,479,073,179.44/68,988.38
  6. Step 6: Final answer
    x = 93,915.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.