Home / 101,147.15-151,728.03-38,817.65

Finding the Fourth Proportional to 101,147.15, 151,728.03 and 38,817.65

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Solution

The fourth proportional to 101,147.15, 151,728.03 and 38,817.65 is: 58,229.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,147.15 : 151,728.03 = 38,817.65 : x
  2. Step 2: Convert to fraction form
    101,147.15/151,728.03 = 38,817.65/x
  3. Step 3: Cross multiply
    101,147.15x = 151,728.03 × 38,817.65
  4. Step 4: Simplify right side
    101,147.15x = 5,889,724,805.09
  5. Step 5: Solve for x
    x = 5,889,724,805.09/101,147.15
  6. Step 6: Final answer
    x = 58,229.27

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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.