Home / 107,488.80-161,234.78-40,932.62

Finding the Fourth Proportional to 107,488.80, 161,234.78 and 40,932.62

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Solution

The fourth proportional to 107,488.80, 161,234.78 and 40,932.62 is: 61,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,488.80 : 161,234.78 = 40,932.62 : x
  2. Step 2: Convert to fraction form
    107,488.80/161,234.78 = 40,932.62/x
  3. Step 3: Cross multiply
    107,488.80x = 161,234.78 × 40,932.62
  4. Step 4: Simplify right side
    107,488.80x = 6,599,760,969.69
  5. Step 5: Solve for x
    x = 6,599,760,969.69/107,488.80
  6. Step 6: Final answer
    x = 61,399.52

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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.