Home / 55,763.13-76,943.19-31,563.97

Finding the Fourth Proportional to 55,763.13, 76,943.19 and 31,563.97

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Solution

The fourth proportional to 55,763.13, 76,943.19 and 31,563.97 is: 43,552.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,763.13 : 76,943.19 = 31,563.97 : x
  2. Step 2: Convert to fraction form
    55,763.13/76,943.19 = 31,563.97/x
  3. Step 3: Cross multiply
    55,763.13x = 76,943.19 × 31,563.97
  4. Step 4: Simplify right side
    55,763.13x = 2,428,632,540.86
  5. Step 5: Solve for x
    x = 2,428,632,540.86/55,763.13
  6. Step 6: Final answer
    x = 43,552.66

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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.