Home / 80,061.12-120,097.80-27,470.16

Finding the Fourth Proportional to 80,061.12, 120,097.80 and 27,470.16

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Solution

The fourth proportional to 80,061.12, 120,097.80 and 27,470.16 is: 41,207.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,061.12 : 120,097.80 = 27,470.16 : x
  2. Step 2: Convert to fraction form
    80,061.12/120,097.80 = 27,470.16/x
  3. Step 3: Cross multiply
    80,061.12x = 120,097.80 × 27,470.16
  4. Step 4: Simplify right side
    80,061.12x = 3,299,105,781.65
  5. Step 5: Solve for x
    x = 3,299,105,781.65/80,061.12
  6. Step 6: Final answer
    x = 41,207.34

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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.