Home / 86,140.33-129,236.70-44,049.97

Finding the Fourth Proportional to 86,140.33, 129,236.70 and 44,049.97

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Solution

The fourth proportional to 86,140.33, 129,236.70 and 44,049.97 is: 66,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,140.33 : 129,236.70 = 44,049.97 : x
  2. Step 2: Convert to fraction form
    86,140.33/129,236.70 = 44,049.97/x
  3. Step 3: Cross multiply
    86,140.33x = 129,236.70 × 44,049.97
  4. Step 4: Simplify right side
    86,140.33x = 5,692,872,757.90
  5. Step 5: Solve for x
    x = 5,692,872,757.90/86,140.33
  6. Step 6: Final answer
    x = 66,088.36

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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.