Home / 107,424.38-161,081.22-48,209.28

Finding the Fourth Proportional to 107,424.38, 161,081.22 and 48,209.28

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Solution

The fourth proportional to 107,424.38, 161,081.22 and 48,209.28 is: 72,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,424.38 : 161,081.22 = 48,209.28 : x
  2. Step 2: Convert to fraction form
    107,424.38/161,081.22 = 48,209.28/x
  3. Step 3: Cross multiply
    107,424.38x = 161,081.22 × 48,209.28
  4. Step 4: Simplify right side
    107,424.38x = 7,765,609,637.72
  5. Step 5: Solve for x
    x = 7,765,609,637.72/107,424.38
  6. Step 6: Final answer
    x = 72,289.08

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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.