Home / 95,679.23-143,538.21-53,619.30

Finding the Fourth Proportional to 95,679.23, 143,538.21 and 53,619.30

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Solution

The fourth proportional to 95,679.23, 143,538.21 and 53,619.30 is: 80,439.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,679.23 : 143,538.21 = 53,619.30 : x
  2. Step 2: Convert to fraction form
    95,679.23/143,538.21 = 53,619.30/x
  3. Step 3: Cross multiply
    95,679.23x = 143,538.21 × 53,619.30
  4. Step 4: Simplify right side
    95,679.23x = 7,696,418,343.45
  5. Step 5: Solve for x
    x = 7,696,418,343.45/95,679.23
  6. Step 6: Final answer
    x = 80,439.81

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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.