Home / 54,324.30-81,486.45-52,137.30

Finding the Fourth Proportional to 54,324.30, 81,486.45 and 52,137.30

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Solution

The fourth proportional to 54,324.30, 81,486.45 and 52,137.30 is: 78,205.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,324.30 : 81,486.45 = 52,137.30 : x
  2. Step 2: Convert to fraction form
    54,324.30/81,486.45 = 52,137.30/x
  3. Step 3: Cross multiply
    54,324.30x = 81,486.45 × 52,137.30
  4. Step 4: Simplify right side
    54,324.30x = 4,248,483,489.59
  5. Step 5: Solve for x
    x = 4,248,483,489.59/54,324.30
  6. Step 6: Final answer
    x = 78,205.95

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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.