Home / 54,873.22-82,419.18-51,778.48

Finding the Fourth Proportional to 54,873.22, 82,419.18 and 51,778.48

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Solution

The fourth proportional to 54,873.22, 82,419.18 and 51,778.48 is: 77,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,873.22 : 82,419.18 = 51,778.48 : x
  2. Step 2: Convert to fraction form
    54,873.22/82,419.18 = 51,778.48/x
  3. Step 3: Cross multiply
    54,873.22x = 82,419.18 × 51,778.48
  4. Step 4: Simplify right side
    54,873.22x = 4,267,539,863.25
  5. Step 5: Solve for x
    x = 4,267,539,863.25/54,873.22
  6. Step 6: Final answer
    x = 77,770.90

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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.