Home / 82,112.48-123,114.03-29,515.13

Finding the Fourth Proportional to 82,112.48, 123,114.03 and 29,515.13

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Solution

The fourth proportional to 82,112.48, 123,114.03 and 29,515.13 is: 44,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,112.48 : 123,114.03 = 29,515.13 : x
  2. Step 2: Convert to fraction form
    82,112.48/123,114.03 = 29,515.13/x
  3. Step 3: Cross multiply
    82,112.48x = 123,114.03 × 29,515.13
  4. Step 4: Simplify right side
    82,112.48x = 3,633,726,335.70
  5. Step 5: Solve for x
    x = 3,633,726,335.70/82,112.48
  6. Step 6: Final answer
    x = 44,253.03

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1.5x scale

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.