Home / 75,306.53-112,960.19-25,387.06

Finding the Fourth Proportional to 75,306.53, 112,960.19 and 25,387.06

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Solution

The fourth proportional to 75,306.53, 112,960.19 and 25,387.06 is: 38,080.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,306.53 : 112,960.19 = 25,387.06 : x
  2. Step 2: Convert to fraction form
    75,306.53/112,960.19 = 25,387.06/x
  3. Step 3: Cross multiply
    75,306.53x = 112,960.19 × 25,387.06
  4. Step 4: Simplify right side
    75,306.53x = 2,867,727,121.14
  5. Step 5: Solve for x
    x = 2,867,727,121.14/75,306.53
  6. Step 6: Final answer
    x = 38,080.72

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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.