Home / 87,622.39-131,428.86-50,159.08

Finding the Fourth Proportional to 87,622.39, 131,428.86 and 50,159.08

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Solution

The fourth proportional to 87,622.39, 131,428.86 and 50,159.08 is: 75,235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,622.39 : 131,428.86 = 50,159.08 : x
  2. Step 2: Convert to fraction form
    87,622.39/131,428.86 = 50,159.08/x
  3. Step 3: Cross multiply
    87,622.39x = 131,428.86 × 50,159.08
  4. Step 4: Simplify right side
    87,622.39x = 6,592,350,703.05
  5. Step 5: Solve for x
    x = 6,592,350,703.05/87,622.39
  6. Step 6: Final answer
    x = 75,235.92

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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.