Home / 86,604.46-129,910.33-27,438.82

Finding the Fourth Proportional to 86,604.46, 129,910.33 and 27,438.82

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Solution

The fourth proportional to 86,604.46, 129,910.33 and 27,438.82 is: 41,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,604.46 : 129,910.33 = 27,438.82 : x
  2. Step 2: Convert to fraction form
    86,604.46/129,910.33 = 27,438.82/x
  3. Step 3: Cross multiply
    86,604.46x = 129,910.33 × 27,438.82
  4. Step 4: Simplify right side
    86,604.46x = 3,564,586,161.01
  5. Step 5: Solve for x
    x = 3,564,586,161.01/86,604.46
  6. Step 6: Final answer
    x = 41,159.38

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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.