Home / 55,119.89-82,680.75-15,677.96

Finding the Fourth Proportional to 55,119.89, 82,680.75 and 15,677.96

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Solution

The fourth proportional to 55,119.89, 82,680.75 and 15,677.96 is: 23,517.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,119.89 : 82,680.75 = 15,677.96 : x
  2. Step 2: Convert to fraction form
    55,119.89/82,680.75 = 15,677.96/x
  3. Step 3: Cross multiply
    55,119.89x = 82,680.75 × 15,677.96
  4. Step 4: Simplify right side
    55,119.89x = 1,296,265,077.87
  5. Step 5: Solve for x
    x = 1,296,265,077.87/55,119.89
  6. Step 6: Final answer
    x = 23,517.19

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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.