Home / 89,622.15-123,677.89-49,336.59

Finding the Fourth Proportional to 89,622.15, 123,677.89 and 49,336.59

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Solution

The fourth proportional to 89,622.15, 123,677.89 and 49,336.59 is: 68,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,622.15 : 123,677.89 = 49,336.59 : x
  2. Step 2: Convert to fraction form
    89,622.15/123,677.89 = 49,336.59/x
  3. Step 3: Cross multiply
    89,622.15x = 123,677.89 × 49,336.59
  4. Step 4: Simplify right side
    89,622.15x = 6,101,845,691.45
  5. Step 5: Solve for x
    x = 6,101,845,691.45/89,622.15
  6. Step 6: Final answer
    x = 68,084.13

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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.