Home / 86,489.14-119,350.38-48,760.96

Finding the Fourth Proportional to 86,489.14, 119,350.38 and 48,760.96

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Solution

The fourth proportional to 86,489.14, 119,350.38 and 48,760.96 is: 67,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,489.14 : 119,350.38 = 48,760.96 : x
  2. Step 2: Convert to fraction form
    86,489.14/119,350.38 = 48,760.96/x
  3. Step 3: Cross multiply
    86,489.14x = 119,350.38 × 48,760.96
  4. Step 4: Simplify right side
    86,489.14x = 5,819,639,105.16
  5. Step 5: Solve for x
    x = 5,819,639,105.16/86,489.14
  6. Step 6: Final answer
    x = 67,287.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.