Home / 89,915.15-124,006.72-54,098.47

Finding the Fourth Proportional to 89,915.15, 124,006.72 and 54,098.47

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Solution

The fourth proportional to 89,915.15, 124,006.72 and 54,098.47 is: 74,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,915.15 : 124,006.72 = 54,098.47 : x
  2. Step 2: Convert to fraction form
    89,915.15/124,006.72 = 54,098.47/x
  3. Step 3: Cross multiply
    89,915.15x = 124,006.72 × 54,098.47
  4. Step 4: Simplify right side
    89,915.15x = 6,708,573,397.53
  5. Step 5: Solve for x
    x = 6,708,573,397.53/89,915.15
  6. Step 6: Final answer
    x = 74,610.05

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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.