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Finding the Fourth Proportional to 55,117.80, 82,676.70 and 50,452.20

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Solution

The fourth proportional to 55,117.80, 82,676.70 and 50,452.20 is: 75,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,117.80 : 82,676.70 = 50,452.20 : x
  2. Step 2: Convert to fraction form
    55,117.80/82,676.70 = 50,452.20/x
  3. Step 3: Cross multiply
    55,117.80x = 82,676.70 × 50,452.20
  4. Step 4: Simplify right side
    55,117.80x = 4,171,221,403.74
  5. Step 5: Solve for x
    x = 4,171,221,403.74/55,117.80
  6. Step 6: Final answer
    x = 75,678.30

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