Home / 86,535.16-129,750.18-33,881.56

Finding the Fourth Proportional to 86,535.16, 129,750.18 and 33,881.56

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Solution

The fourth proportional to 86,535.16, 129,750.18 and 33,881.56 is: 50,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,535.16 : 129,750.18 = 33,881.56 : x
  2. Step 2: Convert to fraction form
    86,535.16/129,750.18 = 33,881.56/x
  3. Step 3: Cross multiply
    86,535.16x = 129,750.18 × 33,881.56
  4. Step 4: Simplify right side
    86,535.16x = 4,396,138,508.68
  5. Step 5: Solve for x
    x = 4,396,138,508.68/86,535.16
  6. Step 6: Final answer
    x = 50,801.76

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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.