Home / 55,770.22-76,975.60-31,910.05

Finding the Fourth Proportional to 55,770.22, 76,975.60 and 31,910.05

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Solution

The fourth proportional to 55,770.22, 76,975.60 and 31,910.05 is: 44,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,770.22 : 76,975.60 = 31,910.05 : x
  2. Step 2: Convert to fraction form
    55,770.22/76,975.60 = 31,910.05/x
  3. Step 3: Cross multiply
    55,770.22x = 76,975.60 × 31,910.05
  4. Step 4: Simplify right side
    55,770.22x = 2,456,294,859.90
  5. Step 5: Solve for x
    x = 2,456,294,859.90/55,770.22
  6. Step 6: Final answer
    x = 44,043.13

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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.