Home / 55,625.62-76,768.86-31,755.88

Finding the Fourth Proportional to 55,625.62, 76,768.86 and 31,755.88

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Solution

The fourth proportional to 55,625.62, 76,768.86 and 31,755.88 is: 43,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.62 : 76,768.86 = 31,755.88 : x
  2. Step 2: Convert to fraction form
    55,625.62/76,768.86 = 31,755.88/x
  3. Step 3: Cross multiply
    55,625.62x = 76,768.86 × 31,755.88
  4. Step 4: Simplify right side
    55,625.62x = 2,437,862,705.90
  5. Step 5: Solve for x
    x = 2,437,862,705.90/55,625.62
  6. Step 6: Final answer
    x = 43,826.26

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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.