Home / 87,913.34-131,886.44-28,752.22

Finding the Fourth Proportional to 87,913.34, 131,886.44 and 28,752.22

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Solution

The fourth proportional to 87,913.34, 131,886.44 and 28,752.22 is: 43,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,913.34 : 131,886.44 = 28,752.22 : x
  2. Step 2: Convert to fraction form
    87,913.34/131,886.44 = 28,752.22/x
  3. Step 3: Cross multiply
    87,913.34x = 131,886.44 × 28,752.22
  4. Step 4: Simplify right side
    87,913.34x = 3,792,027,937.90
  5. Step 5: Solve for x
    x = 3,792,027,937.90/87,913.34
  6. Step 6: Final answer
    x = 43,133.70

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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.