Home / 86,330.00-129,451.61-50,318.06

Finding the Fourth Proportional to 86,330.00, 129,451.61 and 50,318.06

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Solution

The fourth proportional to 86,330.00, 129,451.61 and 50,318.06 is: 75,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,330.00 : 129,451.61 = 50,318.06 : x
  2. Step 2: Convert to fraction form
    86,330.00/129,451.61 = 50,318.06/x
  3. Step 3: Cross multiply
    86,330.00x = 129,451.61 × 50,318.06
  4. Step 4: Simplify right side
    86,330.00x = 6,513,753,357.61
  5. Step 5: Solve for x
    x = 6,513,753,357.61/86,330.00
  6. Step 6: Final answer
    x = 75,451.79

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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.