Home / 67,735.20-101,591.28-18,475.68

Finding the Fourth Proportional to 67,735.20, 101,591.28 and 18,475.68

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Solution

The fourth proportional to 67,735.20, 101,591.28 and 18,475.68 is: 27,710.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,735.20 : 101,591.28 = 18,475.68 : x
  2. Step 2: Convert to fraction form
    67,735.20/101,591.28 = 18,475.68/x
  3. Step 3: Cross multiply
    67,735.20x = 101,591.28 × 18,475.68
  4. Step 4: Simplify right side
    67,735.20x = 1,876,967,980.07
  5. Step 5: Solve for x
    x = 1,876,967,980.07/67,735.20
  6. Step 6: Final answer
    x = 27,710.38

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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.