Home / 101,040.25-151,582.26-38,710.75

Finding the Fourth Proportional to 101,040.25, 151,582.26 and 38,710.75

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Solution

The fourth proportional to 101,040.25, 151,582.26 and 38,710.75 is: 58,074.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,040.25 : 151,582.26 = 38,710.75 : x
  2. Step 2: Convert to fraction form
    101,040.25/151,582.26 = 38,710.75/x
  3. Step 3: Cross multiply
    101,040.25x = 151,582.26 × 38,710.75
  4. Step 4: Simplify right side
    101,040.25x = 5,867,862,971.30
  5. Step 5: Solve for x
    x = 5,867,862,971.30/101,040.25
  6. Step 6: Final answer
    x = 58,074.51

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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.