Home / 54,775.53-82,162.43-28,106.12

Finding the Fourth Proportional to 54,775.53, 82,162.43 and 28,106.12

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Solution

The fourth proportional to 54,775.53, 82,162.43 and 28,106.12 is: 42,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,775.53 : 82,162.43 = 28,106.12 : x
  2. Step 2: Convert to fraction form
    54,775.53/82,162.43 = 28,106.12/x
  3. Step 3: Cross multiply
    54,775.53x = 82,162.43 × 28,106.12
  4. Step 4: Simplify right side
    54,775.53x = 2,309,266,565.73
  5. Step 5: Solve for x
    x = 2,309,266,565.73/54,775.53
  6. Step 6: Final answer
    x = 42,158.73

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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.