Home / 86,163.57-129,245.37-26,999.22

Finding the Fourth Proportional to 86,163.57, 129,245.37 and 26,999.22

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Solution

The fourth proportional to 86,163.57, 129,245.37 and 26,999.22 is: 40,498.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,163.57 : 129,245.37 = 26,999.22 : x
  2. Step 2: Convert to fraction form
    86,163.57/129,245.37 = 26,999.22/x
  3. Step 3: Cross multiply
    86,163.57x = 129,245.37 × 26,999.22
  4. Step 4: Simplify right side
    86,163.57x = 3,489,524,178.61
  5. Step 5: Solve for x
    x = 3,489,524,178.61/86,163.57
  6. Step 6: Final answer
    x = 40,498.83

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Double scale
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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.