Home / 95,563.20-131,908-57,869.04

Finding the Fourth Proportional to 95,563.20, 131,908 and 57,869.04

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Solution

The fourth proportional to 95,563.20, 131,908 and 57,869.04 is: 79,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,563.20 : 131,908 = 57,869.04 : x
  2. Step 2: Convert to fraction form
    95,563.20/131,908 = 57,869.04/x
  3. Step 3: Cross multiply
    95,563.20x = 131,908 × 57,869.04
  4. Step 4: Simplify right side
    95,563.20x = 7,633,389,328.32
  5. Step 5: Solve for x
    x = 7,633,389,328.32/95,563.20
  6. Step 6: Final answer
    x = 79,877.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.