Home / 67,764.80-101,631.52-25,649.76

Finding the Fourth Proportional to 67,764.80, 101,631.52 and 25,649.76

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Solution

The fourth proportional to 67,764.80, 101,631.52 and 25,649.76 is: 38,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,764.80 : 101,631.52 = 25,649.76 : x
  2. Step 2: Convert to fraction form
    67,764.80/101,631.52 = 25,649.76/x
  3. Step 3: Cross multiply
    67,764.80x = 101,631.52 × 25,649.76
  4. Step 4: Simplify right side
    67,764.80x = 2,606,824,096.44
  5. Step 5: Solve for x
    x = 2,606,824,096.44/67,764.80
  6. Step 6: Final answer
    x = 38,468.70

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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.