Home / 87,490.44-131,293.56-48,075

Finding the Fourth Proportional to 87,490.44, 131,293.56 and 48,075

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Solution

The fourth proportional to 87,490.44, 131,293.56 and 48,075 is: 72,144.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,490.44 : 131,293.56 = 48,075 : x
  2. Step 2: Convert to fraction form
    87,490.44/131,293.56 = 48,075/x
  3. Step 3: Cross multiply
    87,490.44x = 131,293.56 × 48,075
  4. Step 4: Simplify right side
    87,490.44x = 6,311,937,897
  5. Step 5: Solve for x
    x = 6,311,937,897/87,490.44
  6. Step 6: Final answer
    x = 72,144.32

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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.