Home / 86,682.12-130,057.68-33,359.78

Finding the Fourth Proportional to 86,682.12, 130,057.68 and 33,359.78

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Solution

The fourth proportional to 86,682.12, 130,057.68 and 33,359.78 is: 50,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,682.12 : 130,057.68 = 33,359.78 : x
  2. Step 2: Convert to fraction form
    86,682.12/130,057.68 = 33,359.78/x
  3. Step 3: Cross multiply
    86,682.12x = 130,057.68 × 33,359.78
  4. Step 4: Simplify right side
    86,682.12x = 4,338,695,592.11
  5. Step 5: Solve for x
    x = 4,338,695,592.11/86,682.12
  6. Step 6: Final answer
    x = 50,052.95

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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.