Home / 67,700.68-101,575.32-30,257.62

Finding the Fourth Proportional to 67,700.68, 101,575.32 and 30,257.62

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Solution

The fourth proportional to 67,700.68, 101,575.32 and 30,257.62 is: 45,397.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,700.68 : 101,575.32 = 30,257.62 : x
  2. Step 2: Convert to fraction form
    67,700.68/101,575.32 = 30,257.62/x
  3. Step 3: Cross multiply
    67,700.68x = 101,575.32 × 30,257.62
  4. Step 4: Simplify right side
    67,700.68x = 3,073,427,433.94
  5. Step 5: Solve for x
    x = 3,073,427,433.94/67,700.68
  6. Step 6: Final answer
    x = 45,397.29

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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.