Home / 87,577.75-131,354.28-28,413.94

Finding the Fourth Proportional to 87,577.75, 131,354.28 and 28,413.94

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Solution

The fourth proportional to 87,577.75, 131,354.28 and 28,413.94 is: 42,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,577.75 : 131,354.28 = 28,413.94 : x
  2. Step 2: Convert to fraction form
    87,577.75/131,354.28 = 28,413.94/x
  3. Step 3: Cross multiply
    87,577.75x = 131,354.28 × 28,413.94
  4. Step 4: Simplify right side
    87,577.75x = 3,732,292,630.66
  5. Step 5: Solve for x
    x = 3,732,292,630.66/87,577.75
  6. Step 6: Final answer
    x = 42,616.90

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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.