Home / 60,743.20-91,082.40-25,643.20

Finding the Fourth Proportional to 60,743.20, 91,082.40 and 25,643.20

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Solution

The fourth proportional to 60,743.20, 91,082.40 and 25,643.20 is: 38,451.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,743.20 : 91,082.40 = 25,643.20 : x
  2. Step 2: Convert to fraction form
    60,743.20/91,082.40 = 25,643.20/x
  3. Step 3: Cross multiply
    60,743.20x = 91,082.40 × 25,643.20
  4. Step 4: Simplify right side
    60,743.20x = 2,335,644,199.68
  5. Step 5: Solve for x
    x = 2,335,644,199.68/60,743.20
  6. Step 6: Final answer
    x = 38,451.12

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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.