Home / 92,831.05-139,121.84-50,647.92

Finding the Fourth Proportional to 92,831.05, 139,121.84 and 50,647.92

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Solution

The fourth proportional to 92,831.05, 139,121.84 and 50,647.92 is: 75,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,831.05 : 139,121.84 = 50,647.92 : x
  2. Step 2: Convert to fraction form
    92,831.05/139,121.84 = 50,647.92/x
  3. Step 3: Cross multiply
    92,831.05x = 139,121.84 × 50,647.92
  4. Step 4: Simplify right side
    92,831.05x = 7,046,231,949.19
  5. Step 5: Solve for x
    x = 7,046,231,949.19/92,831.05
  6. Step 6: Final answer
    x = 75,903.83

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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.