Home / 95,555.28-131,865.03-55,268.21

Finding the Fourth Proportional to 95,555.28, 131,865.03 and 55,268.21

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Solution

The fourth proportional to 95,555.28, 131,865.03 and 55,268.21 is: 76,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,555.28 : 131,865.03 = 55,268.21 : x
  2. Step 2: Convert to fraction form
    95,555.28/131,865.03 = 55,268.21/x
  3. Step 3: Cross multiply
    95,555.28x = 131,865.03 × 55,268.21
  4. Step 4: Simplify right side
    95,555.28x = 7,287,944,169.70
  5. Step 5: Solve for x
    x = 7,287,944,169.70/95,555.28
  6. Step 6: Final answer
    x = 76,269.40

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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.