Home / 107,639.27-161,452.37-40,158.17

Finding the Fourth Proportional to 107,639.27, 161,452.37 and 40,158.17

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Solution

The fourth proportional to 107,639.27, 161,452.37 and 40,158.17 is: 60,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,639.27 : 161,452.37 = 40,158.17 : x
  2. Step 2: Convert to fraction form
    107,639.27/161,452.37 = 40,158.17/x
  3. Step 3: Cross multiply
    107,639.27x = 161,452.37 × 40,158.17
  4. Step 4: Simplify right side
    107,639.27x = 6,483,630,713.31
  5. Step 5: Solve for x
    x = 6,483,630,713.31/107,639.27
  6. Step 6: Final answer
    x = 60,234.81

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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.