Home / 83,634.06-115,467.03-58,132.38

Finding the Fourth Proportional to 83,634.06, 115,467.03 and 58,132.38

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Solution

The fourth proportional to 83,634.06, 115,467.03 and 58,132.38 is: 80,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,634.06 : 115,467.03 = 58,132.38 : x
  2. Step 2: Convert to fraction form
    83,634.06/115,467.03 = 58,132.38/x
  3. Step 3: Cross multiply
    83,634.06x = 115,467.03 × 58,132.38
  4. Step 4: Simplify right side
    83,634.06x = 6,712,373,265.43
  5. Step 5: Solve for x
    x = 6,712,373,265.43/83,634.06
  6. Step 6: Final answer
    x = 80,258.85

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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.