Home / 107,990.04-162,016.15-33,121.16

Finding the Fourth Proportional to 107,990.04, 162,016.15 and 33,121.16

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Solution

The fourth proportional to 107,990.04, 162,016.15 and 33,121.16 is: 49,691.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,990.04 : 162,016.15 = 33,121.16 : x
  2. Step 2: Convert to fraction form
    107,990.04/162,016.15 = 33,121.16/x
  3. Step 3: Cross multiply
    107,990.04x = 162,016.15 × 33,121.16
  4. Step 4: Simplify right side
    107,990.04x = 5,366,163,514.85
  5. Step 5: Solve for x
    x = 5,366,163,514.85/107,990.04
  6. Step 6: Final answer
    x = 49,691.28

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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.