Home / 83,449.18-115,157.19-45,722.62

Finding the Fourth Proportional to 83,449.18, 115,157.19 and 45,722.62

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Solution

The fourth proportional to 83,449.18, 115,157.19 and 45,722.62 is: 63,095.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,449.18 : 115,157.19 = 45,722.62 : x
  2. Step 2: Convert to fraction form
    83,449.18/115,157.19 = 45,722.62/x
  3. Step 3: Cross multiply
    83,449.18x = 115,157.19 × 45,722.62
  4. Step 4: Simplify right side
    83,449.18x = 5,265,288,438.64
  5. Step 5: Solve for x
    x = 5,265,288,438.64/83,449.18
  6. Step 6: Final answer
    x = 63,095.75

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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.