Home / 75,680.35-113,487.71-25,747.04

Finding the Fourth Proportional to 75,680.35, 113,487.71 and 25,747.04

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Solution

The fourth proportional to 75,680.35, 113,487.71 and 25,747.04 is: 38,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,680.35 : 113,487.71 = 25,747.04 : x
  2. Step 2: Convert to fraction form
    75,680.35/113,487.71 = 25,747.04/x
  3. Step 3: Cross multiply
    75,680.35x = 113,487.71 × 25,747.04
  4. Step 4: Simplify right side
    75,680.35x = 2,921,972,763.86
  5. Step 5: Solve for x
    x = 2,921,972,763.86/75,680.35
  6. Step 6: Final answer
    x = 38,609.40

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1.5x scale

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.