Home / 82,452.38-123,672.35-26,290.22

Finding the Fourth Proportional to 82,452.38, 123,672.35 and 26,290.22

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Solution

The fourth proportional to 82,452.38, 123,672.35 and 26,290.22 is: 39,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,452.38 : 123,672.35 = 26,290.22 : x
  2. Step 2: Convert to fraction form
    82,452.38/123,672.35 = 26,290.22/x
  3. Step 3: Cross multiply
    82,452.38x = 123,672.35 × 26,290.22
  4. Step 4: Simplify right side
    82,452.38x = 3,251,372,539.60
  5. Step 5: Solve for x
    x = 3,251,372,539.60/82,452.38
  6. Step 6: Final answer
    x = 39,433.34

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1.5x scale

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.