Home / 86,212.25-129,318.22-27,052.38

Finding the Fourth Proportional to 86,212.25, 129,318.22 and 27,052.38

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Solution

The fourth proportional to 86,212.25, 129,318.22 and 27,052.38 is: 40,578.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,212.25 : 129,318.22 = 27,052.38 : x
  2. Step 2: Convert to fraction form
    86,212.25/129,318.22 = 27,052.38/x
  3. Step 3: Cross multiply
    86,212.25x = 129,318.22 × 27,052.38
  4. Step 4: Simplify right side
    86,212.25x = 3,498,365,662.18
  5. Step 5: Solve for x
    x = 3,498,365,662.18/86,212.25
  6. Step 6: Final answer
    x = 40,578.52

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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.