Home / 83,422.15-115,122.92-45,182.15

Finding the Fourth Proportional to 83,422.15, 115,122.92 and 45,182.15

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Solution

The fourth proportional to 83,422.15, 115,122.92 and 45,182.15 is: 62,351.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,422.15 : 115,122.92 = 45,182.15 : x
  2. Step 2: Convert to fraction form
    83,422.15/115,122.92 = 45,182.15/x
  3. Step 3: Cross multiply
    83,422.15x = 115,122.92 × 45,182.15
  4. Step 4: Simplify right side
    83,422.15x = 5,201,500,670.06
  5. Step 5: Solve for x
    x = 5,201,500,670.06/83,422.15
  6. Step 6: Final answer
    x = 62,351.56

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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.