Home / 86,163.39-129,254.33-36,248.56

Finding the Fourth Proportional to 86,163.39, 129,254.33 and 36,248.56

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Solution

The fourth proportional to 86,163.39, 129,254.33 and 36,248.56 is: 54,376.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,163.39 : 129,254.33 = 36,248.56 : x
  2. Step 2: Convert to fraction form
    86,163.39/129,254.33 = 36,248.56/x
  3. Step 3: Cross multiply
    86,163.39x = 129,254.33 × 36,248.56
  4. Step 4: Simplify right side
    86,163.39x = 4,685,283,103.75
  5. Step 5: Solve for x
    x = 4,685,283,103.75/86,163.39
  6. Step 6: Final answer
    x = 54,376.73

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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.