Home / 50,940.81-70,298.57-31,831.68

Finding the Fourth Proportional to 50,940.81, 70,298.57 and 31,831.68

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Solution

The fourth proportional to 50,940.81, 70,298.57 and 31,831.68 is: 43,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,940.81 : 70,298.57 = 31,831.68 : x
  2. Step 2: Convert to fraction form
    50,940.81/70,298.57 = 31,831.68/x
  3. Step 3: Cross multiply
    50,940.81x = 70,298.57 × 31,831.68
  4. Step 4: Simplify right side
    50,940.81x = 2,237,721,425.54
  5. Step 5: Solve for x
    x = 2,237,721,425.54/50,940.81
  6. Step 6: Final answer
    x = 43,927.87

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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.