Home / 86,191.11-129,286.46-27,026.69

Finding the Fourth Proportional to 86,191.11, 129,286.46 and 27,026.69

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Solution

The fourth proportional to 86,191.11, 129,286.46 and 27,026.69 is: 40,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,191.11 : 129,286.46 = 27,026.69 : x
  2. Step 2: Convert to fraction form
    86,191.11/129,286.46 = 27,026.69/x
  3. Step 3: Cross multiply
    86,191.11x = 129,286.46 × 27,026.69
  4. Step 4: Simplify right side
    86,191.11x = 3,494,184,496.75
  5. Step 5: Solve for x
    x = 3,494,184,496.75/86,191.11
  6. Step 6: Final answer
    x = 40,539.96

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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.