Home / 55,050.80-75,982.22-36,189.68

Finding the Fourth Proportional to 55,050.80, 75,982.22 and 36,189.68

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Solution

The fourth proportional to 55,050.80, 75,982.22 and 36,189.68 is: 49,949.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,050.80 : 75,982.22 = 36,189.68 : x
  2. Step 2: Convert to fraction form
    55,050.80/75,982.22 = 36,189.68/x
  3. Step 3: Cross multiply
    55,050.80x = 75,982.22 × 36,189.68
  4. Step 4: Simplify right side
    55,050.80x = 2,749,772,227.49
  5. Step 5: Solve for x
    x = 2,749,772,227.49/55,050.80
  6. Step 6: Final answer
    x = 49,949.72

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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.