Home / 83,338.11-115,002.18-45,605.07

Finding the Fourth Proportional to 83,338.11, 115,002.18 and 45,605.07

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Solution

The fourth proportional to 83,338.11, 115,002.18 and 45,605.07 is: 62,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,338.11 : 115,002.18 = 45,605.07 : x
  2. Step 2: Convert to fraction form
    83,338.11/115,002.18 = 45,605.07/x
  3. Step 3: Cross multiply
    83,338.11x = 115,002.18 × 45,605.07
  4. Step 4: Simplify right side
    83,338.11x = 5,244,682,469.05
  5. Step 5: Solve for x
    x = 5,244,682,469.05/83,338.11
  6. Step 6: Final answer
    x = 62,932.58

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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.