Home / 107,831.61-161,776.53-32,949.71

Finding the Fourth Proportional to 107,831.61, 161,776.53 and 32,949.71

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Solution

The fourth proportional to 107,831.61, 161,776.53 and 32,949.71 is: 49,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,831.61 : 161,776.53 = 32,949.71 : x
  2. Step 2: Convert to fraction form
    107,831.61/161,776.53 = 32,949.71/x
  3. Step 3: Cross multiply
    107,831.61x = 161,776.53 × 32,949.71
  4. Step 4: Simplify right side
    107,831.61x = 5,330,488,939.42
  5. Step 5: Solve for x
    x = 5,330,488,939.42/107,831.61
  6. Step 6: Final answer
    x = 49,433.45

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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.