Home / 54,704.23-81,974.33-42,205.52

Finding the Fourth Proportional to 54,704.23, 81,974.33 and 42,205.52

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Solution

The fourth proportional to 54,704.23, 81,974.33 and 42,205.52 is: 63,245.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,704.23 : 81,974.33 = 42,205.52 : x
  2. Step 2: Convert to fraction form
    54,704.23/81,974.33 = 42,205.52/x
  3. Step 3: Cross multiply
    54,704.23x = 81,974.33 × 42,205.52
  4. Step 4: Simplify right side
    54,704.23x = 3,459,769,376.48
  5. Step 5: Solve for x
    x = 3,459,769,376.48/54,704.23
  6. Step 6: Final answer
    x = 63,245.01

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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.