Home / 78,246.38-117,376.12-24,945.92

Finding the Fourth Proportional to 78,246.38, 117,376.12 and 24,945.92

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Solution

The fourth proportional to 78,246.38, 117,376.12 and 24,945.92 is: 37,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,246.38 : 117,376.12 = 24,945.92 : x
  2. Step 2: Convert to fraction form
    78,246.38/117,376.12 = 24,945.92/x
  3. Step 3: Cross multiply
    78,246.38x = 117,376.12 × 24,945.92
  4. Step 4: Simplify right side
    78,246.38x = 2,928,055,299.43
  5. Step 5: Solve for x
    x = 2,928,055,299.43/78,246.38
  6. Step 6: Final answer
    x = 37,420.97

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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.