Home / 55,625.69-76,768.95-31,755.96

Finding the Fourth Proportional to 55,625.69, 76,768.95 and 31,755.96

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Solution

The fourth proportional to 55,625.69, 76,768.95 and 31,755.96 is: 43,826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.69 : 76,768.95 = 31,755.96 : x
  2. Step 2: Convert to fraction form
    55,625.69/76,768.95 = 31,755.96/x
  3. Step 3: Cross multiply
    55,625.69x = 76,768.95 × 31,755.96
  4. Step 4: Simplify right side
    55,625.69x = 2,437,871,705.44
  5. Step 5: Solve for x
    x = 2,437,871,705.44/55,625.69
  6. Step 6: Final answer
    x = 43,826.37

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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.