Home / 109,831.45-164,758.11-50,684.05

Finding the Fourth Proportional to 109,831.45, 164,758.11 and 50,684.05

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Solution

The fourth proportional to 109,831.45, 164,758.11 and 50,684.05 is: 76,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,831.45 : 164,758.11 = 50,684.05 : x
  2. Step 2: Convert to fraction form
    109,831.45/164,758.11 = 50,684.05/x
  3. Step 3: Cross multiply
    109,831.45x = 164,758.11 × 50,684.05
  4. Step 4: Simplify right side
    109,831.45x = 8,350,608,285.15
  5. Step 5: Solve for x
    x = 8,350,608,285.15/109,831.45
  6. Step 6: Final answer
    x = 76,031.12

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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.