Home / 107,679.22-161,551.92-55,125.60

Finding the Fourth Proportional to 107,679.22, 161,551.92 and 55,125.60

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Solution

The fourth proportional to 107,679.22, 161,551.92 and 55,125.60 is: 82,705.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,679.22 : 161,551.92 = 55,125.60 : x
  2. Step 2: Convert to fraction form
    107,679.22/161,551.92 = 55,125.60/x
  3. Step 3: Cross multiply
    107,679.22x = 161,551.92 × 55,125.60
  4. Step 4: Simplify right side
    107,679.22x = 8,905,646,521.15
  5. Step 5: Solve for x
    x = 8,905,646,521.15/107,679.22
  6. Step 6: Final answer
    x = 82,705.34

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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.