Home / 91,234.13-136,924.90-38,680.52

Finding the Fourth Proportional to 91,234.13, 136,924.90 and 38,680.52

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Solution

The fourth proportional to 91,234.13, 136,924.90 and 38,680.52 is: 58,052.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,234.13 : 136,924.90 = 38,680.52 : x
  2. Step 2: Convert to fraction form
    91,234.13/136,924.90 = 38,680.52/x
  3. Step 3: Cross multiply
    91,234.13x = 136,924.90 × 38,680.52
  4. Step 4: Simplify right side
    91,234.13x = 5,296,325,551.62
  5. Step 5: Solve for x
    x = 5,296,325,551.62/91,234.13
  6. Step 6: Final answer
    x = 58,052.02

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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.