Home / 83,449.32-125,172.84-20,269.92

Finding the Fourth Proportional to 83,449.32, 125,172.84 and 20,269.92

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Solution

The fourth proportional to 83,449.32, 125,172.84 and 20,269.92 is: 30,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,449.32 : 125,172.84 = 20,269.92 : x
  2. Step 2: Convert to fraction form
    83,449.32/125,172.84 = 20,269.92/x
  3. Step 3: Cross multiply
    83,449.32x = 125,172.84 × 20,269.92
  4. Step 4: Simplify right side
    83,449.32x = 2,537,243,452.97
  5. Step 5: Solve for x
    x = 2,537,243,452.97/83,449.32
  6. Step 6: Final answer
    x = 30,404.60

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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.