Home / 89,132.79-123,001.29-48,845.70

Finding the Fourth Proportional to 89,132.79, 123,001.29 and 48,845.70

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Solution

The fourth proportional to 89,132.79, 123,001.29 and 48,845.70 is: 67,405.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,132.79 : 123,001.29 = 48,845.70 : x
  2. Step 2: Convert to fraction form
    89,132.79/123,001.29 = 48,845.70/x
  3. Step 3: Cross multiply
    89,132.79x = 123,001.29 × 48,845.70
  4. Step 4: Simplify right side
    89,132.79x = 6,008,084,110.95
  5. Step 5: Solve for x
    x = 6,008,084,110.95/89,132.79
  6. Step 6: Final answer
    x = 67,405.99

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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.