Home / 55,151.82-82,662.12-20,050.74

Finding the Fourth Proportional to 55,151.82, 82,662.12 and 20,050.74

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Solution

The fourth proportional to 55,151.82, 82,662.12 and 20,050.74 is: 30,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,151.82 : 82,662.12 = 20,050.74 : x
  2. Step 2: Convert to fraction form
    55,151.82/82,662.12 = 20,050.74/x
  3. Step 3: Cross multiply
    55,151.82x = 82,662.12 × 20,050.74
  4. Step 4: Simplify right side
    55,151.82x = 1,657,436,675.97
  5. Step 5: Solve for x
    x = 1,657,436,675.97/55,151.82
  6. Step 6: Final answer
    x = 30,052.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.