Home / 82,449.18-123,664.05-36,862.38

Finding the Fourth Proportional to 82,449.18, 123,664.05 and 36,862.38

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Solution

The fourth proportional to 82,449.18, 123,664.05 and 36,862.38 is: 55,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,449.18 : 123,664.05 = 36,862.38 : x
  2. Step 2: Convert to fraction form
    82,449.18/123,664.05 = 36,862.38/x
  3. Step 3: Cross multiply
    82,449.18x = 123,664.05 × 36,862.38
  4. Step 4: Simplify right side
    82,449.18x = 4,558,551,203.44
  5. Step 5: Solve for x
    x = 4,558,551,203.44/82,449.18
  6. Step 6: Final answer
    x = 55,289.22

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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.