Home / 101,039.75-151,581.51-38,710.25

Finding the Fourth Proportional to 101,039.75, 151,581.51 and 38,710.25

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Solution

The fourth proportional to 101,039.75, 151,581.51 and 38,710.25 is: 58,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,039.75 : 151,581.51 = 38,710.25 : x
  2. Step 2: Convert to fraction form
    101,039.75/151,581.51 = 38,710.25/x
  3. Step 3: Cross multiply
    101,039.75x = 151,581.51 × 38,710.25
  4. Step 4: Simplify right side
    101,039.75x = 5,867,758,147.48
  5. Step 5: Solve for x
    x = 5,867,758,147.48/101,039.75
  6. Step 6: Final answer
    x = 58,073.76

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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.