Home / 75,360.22-113,040.34-28,613.12

Finding the Fourth Proportional to 75,360.22, 113,040.34 and 28,613.12

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Solution

The fourth proportional to 75,360.22, 113,040.34 and 28,613.12 is: 42,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,360.22 : 113,040.34 = 28,613.12 : x
  2. Step 2: Convert to fraction form
    75,360.22/113,040.34 = 28,613.12/x
  3. Step 3: Cross multiply
    75,360.22x = 113,040.34 × 28,613.12
  4. Step 4: Simplify right side
    75,360.22x = 3,234,436,813.26
  5. Step 5: Solve for x
    x = 3,234,436,813.26/75,360.22
  6. Step 6: Final answer
    x = 42,919.68

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Similar ratio
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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.