Home / 82,452.21-123,609.06-57,418.35

Finding the Fourth Proportional to 82,452.21, 123,609.06 and 57,418.35

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Solution

The fourth proportional to 82,452.21, 123,609.06 and 57,418.35 is: 86,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,452.21 : 123,609.06 = 57,418.35 : x
  2. Step 2: Convert to fraction form
    82,452.21/123,609.06 = 57,418.35/x
  3. Step 3: Cross multiply
    82,452.21x = 123,609.06 × 57,418.35
  4. Step 4: Simplify right side
    82,452.21x = 7,097,428,270.25
  5. Step 5: Solve for x
    x = 7,097,428,270.25/82,452.21
  6. Step 6: Final answer
    x = 86,079.30

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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.