Home / 67,455.20-101,247.60-57,605.60

Finding the Fourth Proportional to 67,455.20, 101,247.60 and 57,605.60

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Solution

The fourth proportional to 67,455.20, 101,247.60 and 57,605.60 is: 86,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,455.20 : 101,247.60 = 57,605.60 : x
  2. Step 2: Convert to fraction form
    67,455.20/101,247.60 = 57,605.60/x
  3. Step 3: Cross multiply
    67,455.20x = 101,247.60 × 57,605.60
  4. Step 4: Simplify right side
    67,455.20x = 5,832,428,746.56
  5. Step 5: Solve for x
    x = 5,832,428,746.56/67,455.20
  6. Step 6: Final answer
    x = 86,463.74

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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.