Home / 89,820.68-134,731.20-27,491

Finding the Fourth Proportional to 89,820.68, 134,731.20 and 27,491

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Solution

The fourth proportional to 89,820.68, 134,731.20 and 27,491 is: 41,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,820.68 : 134,731.20 = 27,491 : x
  2. Step 2: Convert to fraction form
    89,820.68/134,731.20 = 27,491/x
  3. Step 3: Cross multiply
    89,820.68x = 134,731.20 × 27,491
  4. Step 4: Simplify right side
    89,820.68x = 3,703,895,419.20
  5. Step 5: Solve for x
    x = 3,703,895,419.20/89,820.68
  6. Step 6: Final answer
    x = 41,236.56

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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.