Home / 78,394.35-117,608.30-24,357.90

Finding the Fourth Proportional to 78,394.35, 117,608.30 and 24,357.90

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Solution

The fourth proportional to 78,394.35, 117,608.30 and 24,357.90 is: 36,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,394.35 : 117,608.30 = 24,357.90 : x
  2. Step 2: Convert to fraction form
    78,394.35/117,608.30 = 24,357.90/x
  3. Step 3: Cross multiply
    78,394.35x = 117,608.30 × 24,357.90
  4. Step 4: Simplify right side
    78,394.35x = 2,864,691,210.57
  5. Step 5: Solve for x
    x = 2,864,691,210.57/78,394.35
  6. Step 6: Final answer
    x = 36,542.06

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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.