Home / 67,132.80-100,635.20-25,001.60

Finding the Fourth Proportional to 67,132.80, 100,635.20 and 25,001.60

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Solution

The fourth proportional to 67,132.80, 100,635.20 and 25,001.60 is: 37,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,132.80 : 100,635.20 = 25,001.60 : x
  2. Step 2: Convert to fraction form
    67,132.80/100,635.20 = 25,001.60/x
  3. Step 3: Cross multiply
    67,132.80x = 100,635.20 × 25,001.60
  4. Step 4: Simplify right side
    67,132.80x = 2,516,041,016.32
  5. Step 5: Solve for x
    x = 2,516,041,016.32/67,132.80
  6. Step 6: Final answer
    x = 37,478.57

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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.