Home / 88,909.82-122,691.02-48,615.78

Finding the Fourth Proportional to 88,909.82, 122,691.02 and 48,615.78

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Solution

The fourth proportional to 88,909.82, 122,691.02 and 48,615.78 is: 67,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,909.82 : 122,691.02 = 48,615.78 : x
  2. Step 2: Convert to fraction form
    88,909.82/122,691.02 = 48,615.78/x
  3. Step 3: Cross multiply
    88,909.82x = 122,691.02 × 48,615.78
  4. Step 4: Simplify right side
    88,909.82x = 5,964,719,636.30
  5. Step 5: Solve for x
    x = 5,964,719,636.30/88,909.82
  6. Step 6: Final answer
    x = 67,087.30

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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.