Home / 87,475.74-131,185.93-28,297.56

Finding the Fourth Proportional to 87,475.74, 131,185.93 and 28,297.56

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Solution

The fourth proportional to 87,475.74, 131,185.93 and 28,297.56 is: 42,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,475.74 : 131,185.93 = 28,297.56 : x
  2. Step 2: Convert to fraction form
    87,475.74/131,185.93 = 28,297.56/x
  3. Step 3: Cross multiply
    87,475.74x = 131,185.93 × 28,297.56
  4. Step 4: Simplify right side
    87,475.74x = 3,712,241,725.33
  5. Step 5: Solve for x
    x = 3,712,241,725.33/87,475.74
  6. Step 6: Final answer
    x = 42,437.39

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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.