Home / 107,627.20-161,419.20-51,467.20

Finding the Fourth Proportional to 107,627.20, 161,419.20 and 51,467.20

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Solution

The fourth proportional to 107,627.20, 161,419.20 and 51,467.20 is: 77,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,627.20 : 161,419.20 = 51,467.20 : x
  2. Step 2: Convert to fraction form
    107,627.20/161,419.20 = 51,467.20/x
  3. Step 3: Cross multiply
    107,627.20x = 161,419.20 × 51,467.20
  4. Step 4: Simplify right side
    107,627.20x = 8,307,794,250.24
  5. Step 5: Solve for x
    x = 8,307,794,250.24/107,627.20
  6. Step 6: Final answer
    x = 77,190.47

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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.