Home / 80,012.18-120,032.85-27,426.98

Finding the Fourth Proportional to 80,012.18, 120,032.85 and 27,426.98

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Solution

The fourth proportional to 80,012.18, 120,032.85 and 27,426.98 is: 41,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,012.18 : 120,032.85 = 27,426.98 : x
  2. Step 2: Convert to fraction form
    80,012.18/120,032.85 = 27,426.98/x
  3. Step 3: Cross multiply
    80,012.18x = 120,032.85 × 27,426.98
  4. Step 4: Simplify right side
    80,012.18x = 3,292,138,576.29
  5. Step 5: Solve for x
    x = 3,292,138,576.29/80,012.18
  6. Step 6: Final answer
    x = 41,145.47

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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.