Home / 42,711.17-64,132.59-36,134.08

Finding the Fourth Proportional to 42,711.17, 64,132.59 and 36,134.08

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Solution

The fourth proportional to 42,711.17, 64,132.59 and 36,134.08 is: 54,256.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,711.17 : 64,132.59 = 36,134.08 : x
  2. Step 2: Convert to fraction form
    42,711.17/64,132.59 = 36,134.08/x
  3. Step 3: Cross multiply
    42,711.17x = 64,132.59 × 36,134.08
  4. Step 4: Simplify right side
    42,711.17x = 2,317,372,168.70
  5. Step 5: Solve for x
    x = 2,317,372,168.70/42,711.17
  6. Step 6: Final answer
    x = 54,256.82

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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.