Home / 87,570.35-131,373.98-28,401.41

Finding the Fourth Proportional to 87,570.35, 131,373.98 and 28,401.41

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Solution

The fourth proportional to 87,570.35, 131,373.98 and 28,401.41 is: 42,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,570.35 : 131,373.98 = 28,401.41 : x
  2. Step 2: Convert to fraction form
    87,570.35/131,373.98 = 28,401.41/x
  3. Step 3: Cross multiply
    87,570.35x = 131,373.98 × 28,401.41
  4. Step 4: Simplify right side
    87,570.35x = 3,731,206,269.31
  5. Step 5: Solve for x
    x = 3,731,206,269.31/87,570.35
  6. Step 6: Final answer
    x = 42,608.10

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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.