Home / 107,304.87-161,115.31-60,012.62

Finding the Fourth Proportional to 107,304.87, 161,115.31 and 60,012.62

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Solution

The fourth proportional to 107,304.87, 161,115.31 and 60,012.62 is: 90,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,304.87 : 161,115.31 = 60,012.62 : x
  2. Step 2: Convert to fraction form
    107,304.87/161,115.31 = 60,012.62/x
  3. Step 3: Cross multiply
    107,304.87x = 161,115.31 × 60,012.62
  4. Step 4: Simplify right side
    107,304.87x = 9,668,951,875.21
  5. Step 5: Solve for x
    x = 9,668,951,875.21/107,304.87
  6. Step 6: Final answer
    x = 90,107.30

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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.