Home / 83,731.82-115,550.10-45,491.04

Finding the Fourth Proportional to 83,731.82, 115,550.10 and 45,491.04

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Solution

The fourth proportional to 83,731.82, 115,550.10 and 45,491.04 is: 62,777.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,731.82 : 115,550.10 = 45,491.04 : x
  2. Step 2: Convert to fraction form
    83,731.82/115,550.10 = 45,491.04/x
  3. Step 3: Cross multiply
    83,731.82x = 115,550.10 × 45,491.04
  4. Step 4: Simplify right side
    83,731.82x = 5,256,494,221.10
  5. Step 5: Solve for x
    x = 5,256,494,221.10/83,731.82
  6. Step 6: Final answer
    x = 62,777.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.