Home / 100,301.60-150,439.36-47,744.48

Finding the Fourth Proportional to 100,301.60, 150,439.36 and 47,744.48

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Solution

The fourth proportional to 100,301.60, 150,439.36 and 47,744.48 is: 71,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,301.60 : 150,439.36 = 47,744.48 : x
  2. Step 2: Convert to fraction form
    100,301.60/150,439.36 = 47,744.48/x
  3. Step 3: Cross multiply
    100,301.60x = 150,439.36 × 47,744.48
  4. Step 4: Simplify right side
    100,301.60x = 7,182,649,014.73
  5. Step 5: Solve for x
    x = 7,182,649,014.73/100,301.60
  6. Step 6: Final answer
    x = 71,610.51

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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.