Home / 107,626.81-161,433.68-40,145.83

Finding the Fourth Proportional to 107,626.81, 161,433.68 and 40,145.83

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Solution

The fourth proportional to 107,626.81, 161,433.68 and 40,145.83 is: 60,216.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,626.81 : 161,433.68 = 40,145.83 : x
  2. Step 2: Convert to fraction form
    107,626.81/161,433.68 = 40,145.83/x
  3. Step 3: Cross multiply
    107,626.81x = 161,433.68 × 40,145.83
  4. Step 4: Simplify right side
    107,626.81x = 6,480,889,073.55
  5. Step 5: Solve for x
    x = 6,480,889,073.55/107,626.81
  6. Step 6: Final answer
    x = 60,216.31

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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.