Home / 88,899.31-122,679.19-48,612.61

Finding the Fourth Proportional to 88,899.31, 122,679.19 and 48,612.61

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Solution

The fourth proportional to 88,899.31, 122,679.19 and 48,612.61 is: 67,084.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,899.31 : 122,679.19 = 48,612.61 : x
  2. Step 2: Convert to fraction form
    88,899.31/122,679.19 = 48,612.61/x
  3. Step 3: Cross multiply
    88,899.31x = 122,679.19 × 48,612.61
  4. Step 4: Simplify right side
    88,899.31x = 5,963,755,618.59
  5. Step 5: Solve for x
    x = 5,963,755,618.59/88,899.31
  6. Step 6: Final answer
    x = 67,084.39

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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.