Home / 91,213.78-136,882.95-32,049.46

Finding the Fourth Proportional to 91,213.78, 136,882.95 and 32,049.46

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Solution

The fourth proportional to 91,213.78, 136,882.95 and 32,049.46 is: 48,096.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,213.78 : 136,882.95 = 32,049.46 : x
  2. Step 2: Convert to fraction form
    91,213.78/136,882.95 = 32,049.46/x
  3. Step 3: Cross multiply
    91,213.78x = 136,882.95 × 32,049.46
  4. Step 4: Simplify right side
    91,213.78x = 4,387,024,091.94
  5. Step 5: Solve for x
    x = 4,387,024,091.94/91,213.78
  6. Step 6: Final answer
    x = 48,096.07

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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.