Home / 53,879.36-80,831.74-16,943.36

Finding the Fourth Proportional to 53,879.36, 80,831.74 and 16,943.36

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Solution

The fourth proportional to 53,879.36, 80,831.74 and 16,943.36 is: 25,419.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,879.36 : 80,831.74 = 16,943.36 : x
  2. Step 2: Convert to fraction form
    53,879.36/80,831.74 = 16,943.36/x
  3. Step 3: Cross multiply
    53,879.36x = 80,831.74 × 16,943.36
  4. Step 4: Simplify right side
    53,879.36x = 1,369,561,270.25
  5. Step 5: Solve for x
    x = 1,369,561,270.25/53,879.36
  6. Step 6: Final answer
    x = 25,419.03

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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.