Home / 87,895.98-131,852.07-28,731.96

Finding the Fourth Proportional to 87,895.98, 131,852.07 and 28,731.96

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Solution

The fourth proportional to 87,895.98, 131,852.07 and 28,731.96 is: 43,100.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,895.98 : 131,852.07 = 28,731.96 : x
  2. Step 2: Convert to fraction form
    87,895.98/131,852.07 = 28,731.96/x
  3. Step 3: Cross multiply
    87,895.98x = 131,852.07 × 28,731.96
  4. Step 4: Simplify right side
    87,895.98x = 3,788,368,401.16
  5. Step 5: Solve for x
    x = 3,788,368,401.16/87,895.98
  6. Step 6: Final answer
    x = 43,100.59

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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.