Home / 75,805.64-113,734.68-25,920.85

Finding the Fourth Proportional to 75,805.64, 113,734.68 and 25,920.85

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Solution

The fourth proportional to 75,805.64, 113,734.68 and 25,920.85 is: 38,890.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,805.64 : 113,734.68 = 25,920.85 : x
  2. Step 2: Convert to fraction form
    75,805.64/113,734.68 = 25,920.85/x
  3. Step 3: Cross multiply
    75,805.64x = 113,734.68 × 25,920.85
  4. Step 4: Simplify right side
    75,805.64x = 2,948,099,580.08
  5. Step 5: Solve for x
    x = 2,948,099,580.08/75,805.64
  6. Step 6: Final answer
    x = 38,890.24

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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.