Home / 87,564.98-131,365.94-28,396.06

Finding the Fourth Proportional to 87,564.98, 131,365.94 and 28,396.06

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Solution

The fourth proportional to 87,564.98, 131,365.94 and 28,396.06 is: 42,600.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,564.98 : 131,365.94 = 28,396.06 : x
  2. Step 2: Convert to fraction form
    87,564.98/131,365.94 = 28,396.06/x
  3. Step 3: Cross multiply
    87,564.98x = 131,365.94 × 28,396.06
  4. Step 4: Simplify right side
    87,564.98x = 3,730,275,114.20
  5. Step 5: Solve for x
    x = 3,730,275,114.20/87,564.98
  6. Step 6: Final answer
    x = 42,600.08

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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.