Home / 86,163.10-129,244.70-27,003.38

Finding the Fourth Proportional to 86,163.10, 129,244.70 and 27,003.38

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Solution

The fourth proportional to 86,163.10, 129,244.70 and 27,003.38 is: 40,505.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,163.10 : 129,244.70 = 27,003.38 : x
  2. Step 2: Convert to fraction form
    86,163.10/129,244.70 = 27,003.38/x
  3. Step 3: Cross multiply
    86,163.10x = 129,244.70 × 27,003.38
  4. Step 4: Simplify right side
    86,163.10x = 3,490,043,288.96
  5. Step 5: Solve for x
    x = 3,490,043,288.96/86,163.10
  6. Step 6: Final answer
    x = 40,505.08

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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.