Home / 107,696.38-161,544.50-28,808.56

Finding the Fourth Proportional to 107,696.38, 161,544.50 and 28,808.56

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Solution

The fourth proportional to 107,696.38, 161,544.50 and 28,808.56 is: 43,212.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,696.38 : 161,544.50 = 28,808.56 : x
  2. Step 2: Convert to fraction form
    107,696.38/161,544.50 = 28,808.56/x
  3. Step 3: Cross multiply
    107,696.38x = 161,544.50 × 28,808.56
  4. Step 4: Simplify right side
    107,696.38x = 4,653,864,420.92
  5. Step 5: Solve for x
    x = 4,653,864,420.92/107,696.38
  6. Step 6: Final answer
    x = 43,212.82

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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.