Home / 55,800.50-76,982.87-31,914.41

Finding the Fourth Proportional to 55,800.50, 76,982.87 and 31,914.41

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Solution

The fourth proportional to 55,800.50, 76,982.87 and 31,914.41 is: 44,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,800.50 : 76,982.87 = 31,914.41 : x
  2. Step 2: Convert to fraction form
    55,800.50/76,982.87 = 31,914.41/x
  3. Step 3: Cross multiply
    55,800.50x = 76,982.87 × 31,914.41
  4. Step 4: Simplify right side
    55,800.50x = 2,456,862,571.03
  5. Step 5: Solve for x
    x = 2,456,862,571.03/55,800.50
  6. Step 6: Final answer
    x = 44,029.40

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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.