Home / 89,132.30-123,000.60-48,845.18

Finding the Fourth Proportional to 89,132.30, 123,000.60 and 48,845.18

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Solution

The fourth proportional to 89,132.30, 123,000.60 and 48,845.18 is: 67,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,132.30 : 123,000.60 = 48,845.18 : x
  2. Step 2: Convert to fraction form
    89,132.30/123,000.60 = 48,845.18/x
  3. Step 3: Cross multiply
    89,132.30x = 123,000.60 × 48,845.18
  4. Step 4: Simplify right side
    89,132.30x = 6,007,986,447.11
  5. Step 5: Solve for x
    x = 6,007,986,447.11/89,132.30
  6. Step 6: Final answer
    x = 67,405.27

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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.