Home / 67,440.80-101,177.49-25,321.34

Finding the Fourth Proportional to 67,440.80, 101,177.49 and 25,321.34

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Solution

The fourth proportional to 67,440.80, 101,177.49 and 25,321.34 is: 37,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,440.80 : 101,177.49 = 25,321.34 : x
  2. Step 2: Convert to fraction form
    67,440.80/101,177.49 = 25,321.34/x
  3. Step 3: Cross multiply
    67,440.80x = 101,177.49 × 25,321.34
  4. Step 4: Simplify right side
    67,440.80x = 2,561,949,624.64
  5. Step 5: Solve for x
    x = 2,561,949,624.64/67,440.80
  6. Step 6: Final answer
    x = 37,988.13

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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.