Home / 75,612.15-113,418.23-25,748.55

Finding the Fourth Proportional to 75,612.15, 113,418.23 and 25,748.55

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Solution

The fourth proportional to 75,612.15, 113,418.23 and 25,748.55 is: 38,622.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,612.15 : 113,418.23 = 25,748.55 : x
  2. Step 2: Convert to fraction form
    75,612.15/113,418.23 = 25,748.55/x
  3. Step 3: Cross multiply
    75,612.15x = 113,418.23 × 25,748.55
  4. Step 4: Simplify right side
    75,612.15x = 2,920,354,837.32
  5. Step 5: Solve for x
    x = 2,920,354,837.32/75,612.15
  6. Step 6: Final answer
    x = 38,622.83

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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.