Home / 86,252.72-129,370.57-27,086.81

Finding the Fourth Proportional to 86,252.72, 129,370.57 and 27,086.81

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Solution

The fourth proportional to 86,252.72, 129,370.57 and 27,086.81 is: 40,627.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,252.72 : 129,370.57 = 27,086.81 : x
  2. Step 2: Convert to fraction form
    86,252.72/129,370.57 = 27,086.81/x
  3. Step 3: Cross multiply
    86,252.72x = 129,370.57 × 27,086.81
  4. Step 4: Simplify right side
    86,252.72x = 3,504,235,334.61
  5. Step 5: Solve for x
    x = 3,504,235,334.61/86,252.72
  6. Step 6: Final answer
    x = 40,627.54

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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.