Home / 79,674.26-119,510.31-27,120.38

Finding the Fourth Proportional to 79,674.26, 119,510.31 and 27,120.38

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Solution

The fourth proportional to 79,674.26, 119,510.31 and 27,120.38 is: 40,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,674.26 : 119,510.31 = 27,120.38 : x
  2. Step 2: Convert to fraction form
    79,674.26/119,510.31 = 27,120.38/x
  3. Step 3: Cross multiply
    79,674.26x = 119,510.31 × 27,120.38
  4. Step 4: Simplify right side
    79,674.26x = 3,241,165,021.12
  5. Step 5: Solve for x
    x = 3,241,165,021.12/79,674.26
  6. Step 6: Final answer
    x = 40,680.20

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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.