Home / 87,318.12-120,501.96-49,084.32

Finding the Fourth Proportional to 87,318.12, 120,501.96 and 49,084.32

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Solution

The fourth proportional to 87,318.12, 120,501.96 and 49,084.32 is: 67,738.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,318.12 : 120,501.96 = 49,084.32 : x
  2. Step 2: Convert to fraction form
    87,318.12/120,501.96 = 49,084.32/x
  3. Step 3: Cross multiply
    87,318.12x = 120,501.96 × 49,084.32
  4. Step 4: Simplify right side
    87,318.12x = 5,914,756,765.27
  5. Step 5: Solve for x
    x = 5,914,756,765.27/87,318.12
  6. Step 6: Final answer
    x = 67,738.02

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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.