Home / 101,132.25-151,722.68-38,802.75

Finding the Fourth Proportional to 101,132.25, 151,722.68 and 38,802.75

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Solution

The fourth proportional to 101,132.25, 151,722.68 and 38,802.75 is: 58,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,132.25 : 151,722.68 = 38,802.75 : x
  2. Step 2: Convert to fraction form
    101,132.25/151,722.68 = 38,802.75/x
  3. Step 3: Cross multiply
    101,132.25x = 151,722.68 × 38,802.75
  4. Step 4: Simplify right side
    101,132.25x = 5,887,257,027.36
  5. Step 5: Solve for x
    x = 5,887,257,027.36/101,132.25
  6. Step 6: Final answer
    x = 58,213.45

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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.