Home / 45,160.75-67,741.17-18,851.14

Finding the Fourth Proportional to 45,160.75, 67,741.17 and 18,851.14

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Solution

The fourth proportional to 45,160.75, 67,741.17 and 18,851.14 is: 28,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,160.75 : 67,741.17 = 18,851.14 : x
  2. Step 2: Convert to fraction form
    45,160.75/67,741.17 = 18,851.14/x
  3. Step 3: Cross multiply
    45,160.75x = 67,741.17 × 18,851.14
  4. Step 4: Simplify right side
    45,160.75x = 1,276,998,279.43
  5. Step 5: Solve for x
    x = 1,276,998,279.43/45,160.75
  6. Step 6: Final answer
    x = 28,276.73

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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.