Home / 86,217.38-129,347.94-27,053.56

Finding the Fourth Proportional to 86,217.38, 129,347.94 and 27,053.56

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Solution

The fourth proportional to 86,217.38, 129,347.94 and 27,053.56 is: 40,587.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,217.38 : 129,347.94 = 27,053.56 : x
  2. Step 2: Convert to fraction form
    86,217.38/129,347.94 = 27,053.56/x
  3. Step 3: Cross multiply
    86,217.38x = 129,347.94 × 27,053.56
  4. Step 4: Simplify right side
    86,217.38x = 3,499,322,518.80
  5. Step 5: Solve for x
    x = 3,499,322,518.80/86,217.38
  6. Step 6: Final answer
    x = 40,587.21

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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.