Home / 49,831.10-68,728.03-31,927.78

Finding the Fourth Proportional to 49,831.10, 68,728.03 and 31,927.78

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Solution

The fourth proportional to 49,831.10, 68,728.03 and 31,927.78 is: 44,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,831.10 : 68,728.03 = 31,927.78 : x
  2. Step 2: Convert to fraction form
    49,831.10/68,728.03 = 31,927.78/x
  3. Step 3: Cross multiply
    49,831.10x = 68,728.03 × 31,927.78
  4. Step 4: Simplify right side
    49,831.10x = 2,194,333,421.67
  5. Step 5: Solve for x
    x = 2,194,333,421.67/49,831.10
  6. Step 6: Final answer
    x = 44,035.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.