Home / 45,251.25-67,885.98-15,668.43

Finding the Fourth Proportional to 45,251.25, 67,885.98 and 15,668.43

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Solution

The fourth proportional to 45,251.25, 67,885.98 and 15,668.43 is: 23,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,251.25 : 67,885.98 = 15,668.43 : x
  2. Step 2: Convert to fraction form
    45,251.25/67,885.98 = 15,668.43/x
  3. Step 3: Cross multiply
    45,251.25x = 67,885.98 × 15,668.43
  4. Step 4: Simplify right side
    45,251.25x = 1,063,666,725.61
  5. Step 5: Solve for x
    x = 1,063,666,725.61/45,251.25
  6. Step 6: Final answer
    x = 23,505.80

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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.