Home / 80,013.18-120,034.35-27,427.98

Finding the Fourth Proportional to 80,013.18, 120,034.35 and 27,427.98

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Solution

The fourth proportional to 80,013.18, 120,034.35 and 27,427.98 is: 41,146.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,013.18 : 120,034.35 = 27,427.98 : x
  2. Step 2: Convert to fraction form
    80,013.18/120,034.35 = 27,427.98/x
  3. Step 3: Cross multiply
    80,013.18x = 120,034.35 × 27,427.98
  4. Step 4: Simplify right side
    80,013.18x = 3,292,299,751.11
  5. Step 5: Solve for x
    x = 3,292,299,751.11/80,013.18
  6. Step 6: Final answer
    x = 41,146.97

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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.