Home / 79,243.74-118,939.56-41,831.46

Finding the Fourth Proportional to 79,243.74, 118,939.56 and 41,831.46

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Solution

The fourth proportional to 79,243.74, 118,939.56 and 41,831.46 is: 62,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,243.74 : 118,939.56 = 41,831.46 : x
  2. Step 2: Convert to fraction form
    79,243.74/118,939.56 = 41,831.46/x
  3. Step 3: Cross multiply
    79,243.74x = 118,939.56 × 41,831.46
  4. Step 4: Simplify right side
    79,243.74x = 4,975,415,446.56
  5. Step 5: Solve for x
    x = 4,975,415,446.56/79,243.74
  6. Step 6: Final answer
    x = 62,786.23

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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.