Home / 86,163.23-129,244.91-27,003.50

Finding the Fourth Proportional to 86,163.23, 129,244.91 and 27,003.50

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Solution

The fourth proportional to 86,163.23, 129,244.91 and 27,003.50 is: 40,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,163.23 : 129,244.91 = 27,003.50 : x
  2. Step 2: Convert to fraction form
    86,163.23/129,244.91 = 27,003.50/x
  3. Step 3: Cross multiply
    86,163.23x = 129,244.91 × 27,003.50
  4. Step 4: Simplify right side
    86,163.23x = 3,490,064,145.94
  5. Step 5: Solve for x
    x = 3,490,064,145.94/86,163.23
  6. Step 6: Final answer
    x = 40,505.26

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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.