Home / 112,962.52-155,906.94-62,677.72

Finding the Fourth Proportional to 112,962.52, 155,906.94 and 62,677.72

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Solution

The fourth proportional to 112,962.52, 155,906.94 and 62,677.72 is: 86,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,962.52 : 155,906.94 = 62,677.72 : x
  2. Step 2: Convert to fraction form
    112,962.52/155,906.94 = 62,677.72/x
  3. Step 3: Cross multiply
    112,962.52x = 155,906.94 × 62,677.72
  4. Step 4: Simplify right side
    112,962.52x = 9,771,891,531.38
  5. Step 5: Solve for x
    x = 9,771,891,531.38/112,962.52
  6. Step 6: Final answer
    x = 86,505.61

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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.