Home / 81,119.64-121,691.16-24,964.56

Finding the Fourth Proportional to 81,119.64, 121,691.16 and 24,964.56

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Solution

The fourth proportional to 81,119.64, 121,691.16 and 24,964.56 is: 37,450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,119.64 : 121,691.16 = 24,964.56 : x
  2. Step 2: Convert to fraction form
    81,119.64/121,691.16 = 24,964.56/x
  3. Step 3: Cross multiply
    81,119.64x = 121,691.16 × 24,964.56
  4. Step 4: Simplify right side
    81,119.64x = 3,037,966,265.29
  5. Step 5: Solve for x
    x = 3,037,966,265.29/81,119.64
  6. Step 6: Final answer
    x = 37,450.44

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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.