Home / 79,540.56-119,335.32-40,084.38

Finding the Fourth Proportional to 79,540.56, 119,335.32 and 40,084.38

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Solution

The fourth proportional to 79,540.56, 119,335.32 and 40,084.38 is: 60,138.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,540.56 : 119,335.32 = 40,084.38 : x
  2. Step 2: Convert to fraction form
    79,540.56/119,335.32 = 40,084.38/x
  3. Step 3: Cross multiply
    79,540.56x = 119,335.32 × 40,084.38
  4. Step 4: Simplify right side
    79,540.56x = 4,783,482,314.30
  5. Step 5: Solve for x
    x = 4,783,482,314.30/79,540.56
  6. Step 6: Final answer
    x = 60,138.91

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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.