Home / 83,829.20-115,685.11-45,589.57

Finding the Fourth Proportional to 83,829.20, 115,685.11 and 45,589.57

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Solution

The fourth proportional to 83,829.20, 115,685.11 and 45,589.57 is: 62,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,829.20 : 115,685.11 = 45,589.57 : x
  2. Step 2: Convert to fraction form
    83,829.20/115,685.11 = 45,589.57/x
  3. Step 3: Cross multiply
    83,829.20x = 115,685.11 × 45,589.57
  4. Step 4: Simplify right side
    83,829.20x = 5,274,034,420.30
  5. Step 5: Solve for x
    x = 5,274,034,420.30/83,829.20
  6. Step 6: Final answer
    x = 62,914.05

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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.