Home / 83,452.20-115,161.32-45,725.64

Finding the Fourth Proportional to 83,452.20, 115,161.32 and 45,725.64

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Solution

The fourth proportional to 83,452.20, 115,161.32 and 45,725.64 is: 63,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,452.20 : 115,161.32 = 45,725.64 : x
  2. Step 2: Convert to fraction form
    83,452.20/115,161.32 = 45,725.64/x
  3. Step 3: Cross multiply
    83,452.20x = 115,161.32 × 45,725.64
  4. Step 4: Simplify right side
    83,452.20x = 5,265,825,060.24
  5. Step 5: Solve for x
    x = 5,265,825,060.24/83,452.20
  6. Step 6: Final answer
    x = 63,099.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.