Home / 55,712.97-76,894.53-43,589.31

Finding the Fourth Proportional to 55,712.97, 76,894.53 and 43,589.31

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Solution

The fourth proportional to 55,712.97, 76,894.53 and 43,589.31 is: 60,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,712.97 : 76,894.53 = 43,589.31 : x
  2. Step 2: Convert to fraction form
    55,712.97/76,894.53 = 43,589.31/x
  3. Step 3: Cross multiply
    55,712.97x = 76,894.53 × 43,589.31
  4. Step 4: Simplify right side
    55,712.97x = 3,351,779,505.47
  5. Step 5: Solve for x
    x = 3,351,779,505.47/55,712.97
  6. Step 6: Final answer
    x = 60,161.57

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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.