Home / 67,247.18-100,878.06-25,147.42

Finding the Fourth Proportional to 67,247.18, 100,878.06 and 25,147.42

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Solution

The fourth proportional to 67,247.18, 100,878.06 and 25,147.42 is: 37,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,247.18 : 100,878.06 = 25,147.42 : x
  2. Step 2: Convert to fraction form
    67,247.18/100,878.06 = 25,147.42/x
  3. Step 3: Cross multiply
    67,247.18x = 100,878.06 × 25,147.42
  4. Step 4: Simplify right side
    67,247.18x = 2,536,822,943.61
  5. Step 5: Solve for x
    x = 2,536,822,943.61/67,247.18
  6. Step 6: Final answer
    x = 37,723.86

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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.