Home / 107,635.68-161,306.10-54,934.65

Finding the Fourth Proportional to 107,635.68, 161,306.10 and 54,934.65

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Solution

The fourth proportional to 107,635.68, 161,306.10 and 54,934.65 is: 82,326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,635.68 : 161,306.10 = 54,934.65 : x
  2. Step 2: Convert to fraction form
    107,635.68/161,306.10 = 54,934.65/x
  3. Step 3: Cross multiply
    107,635.68x = 161,306.10 × 54,934.65
  4. Step 4: Simplify right side
    107,635.68x = 8,861,294,146.37
  5. Step 5: Solve for x
    x = 8,861,294,146.37/107,635.68
  6. Step 6: Final answer
    x = 82,326.74

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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.