Home / 83,344.20-115,017.92-45,618.48

Finding the Fourth Proportional to 83,344.20, 115,017.92 and 45,618.48

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Solution

The fourth proportional to 83,344.20, 115,017.92 and 45,618.48 is: 62,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,344.20 : 115,017.92 = 45,618.48 : x
  2. Step 2: Convert to fraction form
    83,344.20/115,017.92 = 45,618.48/x
  3. Step 3: Cross multiply
    83,344.20x = 115,017.92 × 45,618.48
  4. Step 4: Simplify right side
    83,344.20x = 5,246,942,683.16
  5. Step 5: Solve for x
    x = 5,246,942,683.16/83,344.20
  6. Step 6: Final answer
    x = 62,955.10

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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.