Home / 86,177.70-129,263.20-44,057.30

Finding the Fourth Proportional to 86,177.70, 129,263.20 and 44,057.30

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Solution

The fourth proportional to 86,177.70, 129,263.20 and 44,057.30 is: 66,084.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,177.70 : 129,263.20 = 44,057.30 : x
  2. Step 2: Convert to fraction form
    86,177.70/129,263.20 = 44,057.30/x
  3. Step 3: Cross multiply
    86,177.70x = 129,263.20 × 44,057.30
  4. Step 4: Simplify right side
    86,177.70x = 5,694,987,581.36
  5. Step 5: Solve for x
    x = 5,694,987,581.36/86,177.70
  6. Step 6: Final answer
    x = 66,084.24

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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.