Home / 95,399.28-143,145-39,281.04

Finding the Fourth Proportional to 95,399.28, 143,145 and 39,281.04

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Solution

The fourth proportional to 95,399.28, 143,145 and 39,281.04 is: 58,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,399.28 : 143,145 = 39,281.04 : x
  2. Step 2: Convert to fraction form
    95,399.28/143,145 = 39,281.04/x
  3. Step 3: Cross multiply
    95,399.28x = 143,145 × 39,281.04
  4. Step 4: Simplify right side
    95,399.28x = 5,622,884,470.80
  5. Step 5: Solve for x
    x = 5,622,884,470.80/95,399.28
  6. Step 6: Final answer
    x = 58,940.53

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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.