Home / 107,072.96-160,756.56-54,517.76

Finding the Fourth Proportional to 107,072.96, 160,756.56 and 54,517.76

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Solution

The fourth proportional to 107,072.96, 160,756.56 and 54,517.76 is: 81,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,072.96 : 160,756.56 = 54,517.76 : x
  2. Step 2: Convert to fraction form
    107,072.96/160,756.56 = 54,517.76/x
  3. Step 3: Cross multiply
    107,072.96x = 160,756.56 × 54,517.76
  4. Step 4: Simplify right side
    107,072.96x = 8,764,087,556.51
  5. Step 5: Solve for x
    x = 8,764,087,556.51/107,072.96
  6. Step 6: Final answer
    x = 81,851.55

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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.