Home / 89,687.87-134,500.30-26,491.13

Finding the Fourth Proportional to 89,687.87, 134,500.30 and 26,491.13

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Solution

The fourth proportional to 89,687.87, 134,500.30 and 26,491.13 is: 39,727.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,687.87 : 134,500.30 = 26,491.13 : x
  2. Step 2: Convert to fraction form
    89,687.87/134,500.30 = 26,491.13/x
  3. Step 3: Cross multiply
    89,687.87x = 134,500.30 × 26,491.13
  4. Step 4: Simplify right side
    89,687.87x = 3,563,064,932.34
  5. Step 5: Solve for x
    x = 3,563,064,932.34/89,687.87
  6. Step 6: Final answer
    x = 39,727.39

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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.