Home / 89,008.68-133,512.72-36,418.17

Finding the Fourth Proportional to 89,008.68, 133,512.72 and 36,418.17

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Solution

The fourth proportional to 89,008.68, 133,512.72 and 36,418.17 is: 54,627.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,008.68 : 133,512.72 = 36,418.17 : x
  2. Step 2: Convert to fraction form
    89,008.68/133,512.72 = 36,418.17/x
  3. Step 3: Cross multiply
    89,008.68x = 133,512.72 × 36,418.17
  4. Step 4: Simplify right side
    89,008.68x = 4,862,288,934.12
  5. Step 5: Solve for x
    x = 4,862,288,934.12/89,008.68
  6. Step 6: Final answer
    x = 54,627.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.