Home / 87,554.42-131,317.81-28,376.27

Finding the Fourth Proportional to 87,554.42, 131,317.81 and 28,376.27

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Solution

The fourth proportional to 87,554.42, 131,317.81 and 28,376.27 is: 42,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,554.42 : 131,317.81 = 28,376.27 : x
  2. Step 2: Convert to fraction form
    87,554.42/131,317.81 = 28,376.27/x
  3. Step 3: Cross multiply
    87,554.42x = 131,317.81 × 28,376.27
  4. Step 4: Simplify right side
    87,554.42x = 3,726,310,135.94
  5. Step 5: Solve for x
    x = 3,726,310,135.94/87,554.42
  6. Step 6: Final answer
    x = 42,559.93

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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.