Home / 45,643.32-68,408.46-25,861.91

Finding the Fourth Proportional to 45,643.32, 68,408.46 and 25,861.91

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Solution

The fourth proportional to 45,643.32, 68,408.46 and 25,861.91 is: 38,760.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,643.32 : 68,408.46 = 25,861.91 : x
  2. Step 2: Convert to fraction form
    45,643.32/68,408.46 = 25,861.91/x
  3. Step 3: Cross multiply
    45,643.32x = 68,408.46 × 25,861.91
  4. Step 4: Simplify right side
    45,643.32x = 1,769,173,093.72
  5. Step 5: Solve for x
    x = 1,769,173,093.72/45,643.32
  6. Step 6: Final answer
    x = 38,760.83

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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.