Home / 40,690.82-60,867.72-38,202.50

Finding the Fourth Proportional to 40,690.82, 60,867.72 and 38,202.50

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Solution

The fourth proportional to 40,690.82, 60,867.72 and 38,202.50 is: 57,145.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,690.82 : 60,867.72 = 38,202.50 : x
  2. Step 2: Convert to fraction form
    40,690.82/60,867.72 = 38,202.50/x
  3. Step 3: Cross multiply
    40,690.82x = 60,867.72 × 38,202.50
  4. Step 4: Simplify right side
    40,690.82x = 2,325,299,073.30
  5. Step 5: Solve for x
    x = 2,325,299,073.30/40,690.82
  6. Step 6: Final answer
    x = 57,145.54

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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.