Home / 73,170.12-109,733.40-31,049.52

Finding the Fourth Proportional to 73,170.12, 109,733.40 and 31,049.52

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Solution

The fourth proportional to 73,170.12, 109,733.40 and 31,049.52 is: 46,565.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,170.12 : 109,733.40 = 31,049.52 : x
  2. Step 2: Convert to fraction form
    73,170.12/109,733.40 = 31,049.52/x
  3. Step 3: Cross multiply
    73,170.12x = 109,733.40 × 31,049.52
  4. Step 4: Simplify right side
    73,170.12x = 3,407,169,397.97
  5. Step 5: Solve for x
    x = 3,407,169,397.97/73,170.12
  6. Step 6: Final answer
    x = 46,565.04

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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.