Home / 91,079.56-136,619.68-27,899.43

Finding the Fourth Proportional to 91,079.56, 136,619.68 and 27,899.43

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Solution

The fourth proportional to 91,079.56, 136,619.68 and 27,899.43 is: 41,849.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,079.56 : 136,619.68 = 27,899.43 : x
  2. Step 2: Convert to fraction form
    91,079.56/136,619.68 = 27,899.43/x
  3. Step 3: Cross multiply
    91,079.56x = 136,619.68 × 27,899.43
  4. Step 4: Simplify right side
    91,079.56x = 3,811,611,198.78
  5. Step 5: Solve for x
    x = 3,811,611,198.78/91,079.56
  6. Step 6: Final answer
    x = 41,849.25

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Similar ratio
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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.