Home / 54,690.90-75,473.44-29,540.40

Finding the Fourth Proportional to 54,690.90, 75,473.44 and 29,540.40

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Solution

The fourth proportional to 54,690.90, 75,473.44 and 29,540.40 is: 40,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,690.90 : 75,473.44 = 29,540.40 : x
  2. Step 2: Convert to fraction form
    54,690.90/75,473.44 = 29,540.40/x
  3. Step 3: Cross multiply
    54,690.90x = 75,473.44 × 29,540.40
  4. Step 4: Simplify right side
    54,690.90x = 2,229,515,250.10
  5. Step 5: Solve for x
    x = 2,229,515,250.10/54,690.90
  6. Step 6: Final answer
    x = 40,765.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.