Home / 87,965.24-131,964.06-28,804.18

Finding the Fourth Proportional to 87,965.24, 131,964.06 and 28,804.18

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Solution

The fourth proportional to 87,965.24, 131,964.06 and 28,804.18 is: 43,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,965.24 : 131,964.06 = 28,804.18 : x
  2. Step 2: Convert to fraction form
    87,965.24/131,964.06 = 28,804.18/x
  3. Step 3: Cross multiply
    87,965.24x = 131,964.06 × 28,804.18
  4. Step 4: Simplify right side
    87,965.24x = 3,801,116,537.77
  5. Step 5: Solve for x
    x = 3,801,116,537.77/87,965.24
  6. Step 6: Final answer
    x = 43,211.57

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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.