Home / 83,587.76-125,301.68-30,983.12

Finding the Fourth Proportional to 83,587.76, 125,301.68 and 30,983.12

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Solution

The fourth proportional to 83,587.76, 125,301.68 and 30,983.12 is: 46,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,587.76 : 125,301.68 = 30,983.12 : x
  2. Step 2: Convert to fraction form
    83,587.76/125,301.68 = 30,983.12/x
  3. Step 3: Cross multiply
    83,587.76x = 125,301.68 × 30,983.12
  4. Step 4: Simplify right side
    83,587.76x = 3,882,236,987.64
  5. Step 5: Solve for x
    x = 3,882,236,987.64/83,587.76
  6. Step 6: Final answer
    x = 46,445.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.