Home / 87,702.53-131,567.54-28,524.33

Finding the Fourth Proportional to 87,702.53, 131,567.54 and 28,524.33

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Solution

The fourth proportional to 87,702.53, 131,567.54 and 28,524.33 is: 42,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,702.53 : 131,567.54 = 28,524.33 : x
  2. Step 2: Convert to fraction form
    87,702.53/131,567.54 = 28,524.33/x
  3. Step 3: Cross multiply
    87,702.53x = 131,567.54 × 28,524.33
  4. Step 4: Simplify right side
    87,702.53x = 3,752,875,785.63
  5. Step 5: Solve for x
    x = 3,752,875,785.63/87,702.53
  6. Step 6: Final answer
    x = 42,790.97

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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.