Home / 86,733.73-129,865.69-45,093.25

Finding the Fourth Proportional to 86,733.73, 129,865.69 and 45,093.25

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Solution

The fourth proportional to 86,733.73, 129,865.69 and 45,093.25 is: 67,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,733.73 : 129,865.69 = 45,093.25 : x
  2. Step 2: Convert to fraction form
    86,733.73/129,865.69 = 45,093.25/x
  3. Step 3: Cross multiply
    86,733.73x = 129,865.69 × 45,093.25
  4. Step 4: Simplify right side
    86,733.73x = 5,856,065,757.29
  5. Step 5: Solve for x
    x = 5,856,065,757.29/86,733.73
  6. Step 6: Final answer
    x = 67,517.75

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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.