Home / 95,982.72-143,862-72,213.93

Finding the Fourth Proportional to 95,982.72, 143,862 and 72,213.93

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Solution

The fourth proportional to 95,982.72, 143,862 and 72,213.93 is: 108,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,982.72 : 143,862 = 72,213.93 : x
  2. Step 2: Convert to fraction form
    95,982.72/143,862 = 72,213.93/x
  3. Step 3: Cross multiply
    95,982.72x = 143,862 × 72,213.93
  4. Step 4: Simplify right side
    95,982.72x = 10,388,839,678.35
  5. Step 5: Solve for x
    x = 10,388,839,678.35/95,982.72
  6. Step 6: Final answer
    x = 108,236.57

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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.