Home / 87,564.75-131,334.82-28,400.93

Finding the Fourth Proportional to 87,564.75, 131,334.82 and 28,400.93

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Solution

The fourth proportional to 87,564.75, 131,334.82 and 28,400.93 is: 42,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,564.75 : 131,334.82 = 28,400.93 : x
  2. Step 2: Convert to fraction form
    87,564.75/131,334.82 = 28,400.93/x
  3. Step 3: Cross multiply
    87,564.75x = 131,334.82 × 28,400.93
  4. Step 4: Simplify right side
    87,564.75x = 3,730,030,794.21
  5. Step 5: Solve for x
    x = 3,730,030,794.21/87,564.75
  6. Step 6: Final answer
    x = 42,597.40

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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.