Home / 55,329.97-76,350.23-31,451.98

Finding the Fourth Proportional to 55,329.97, 76,350.23 and 31,451.98

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Solution

The fourth proportional to 55,329.97, 76,350.23 and 31,451.98 is: 43,400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,329.97 : 76,350.23 = 31,451.98 : x
  2. Step 2: Convert to fraction form
    55,329.97/76,350.23 = 31,451.98/x
  3. Step 3: Cross multiply
    55,329.97x = 76,350.23 × 31,451.98
  4. Step 4: Simplify right side
    55,329.97x = 2,401,365,906.96
  5. Step 5: Solve for x
    x = 2,401,365,906.96/55,329.97
  6. Step 6: Final answer
    x = 43,400.82

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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.