Home / 87,196.43-130,806.95-28,012.26

Finding the Fourth Proportional to 87,196.43, 130,806.95 and 28,012.26

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Solution

The fourth proportional to 87,196.43, 130,806.95 and 28,012.26 is: 42,022.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,196.43 : 130,806.95 = 28,012.26 : x
  2. Step 2: Convert to fraction form
    87,196.43/130,806.95 = 28,012.26/x
  3. Step 3: Cross multiply
    87,196.43x = 130,806.95 × 28,012.26
  4. Step 4: Simplify right side
    87,196.43x = 3,664,198,153.15
  5. Step 5: Solve for x
    x = 3,664,198,153.15/87,196.43
  6. Step 6: Final answer
    x = 42,022.34

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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.