Home / 95,399.31-143,102.07-47,988.57

Finding the Fourth Proportional to 95,399.31, 143,102.07 and 47,988.57

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Solution

The fourth proportional to 95,399.31, 143,102.07 and 47,988.57 is: 71,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,399.31 : 143,102.07 = 47,988.57 : x
  2. Step 2: Convert to fraction form
    95,399.31/143,102.07 = 47,988.57/x
  3. Step 3: Cross multiply
    95,399.31x = 143,102.07 × 47,988.57
  4. Step 4: Simplify right side
    95,399.31x = 6,867,263,703.34
  5. Step 5: Solve for x
    x = 6,867,263,703.34/95,399.31
  6. Step 6: Final answer
    x = 71,984.42

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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.