Home / 51,217.36-76,778.72-32,440.61

Finding the Fourth Proportional to 51,217.36, 76,778.72 and 32,440.61

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Solution

The fourth proportional to 51,217.36, 76,778.72 and 32,440.61 is: 48,630.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,217.36 : 76,778.72 = 32,440.61 : x
  2. Step 2: Convert to fraction form
    51,217.36/76,778.72 = 32,440.61/x
  3. Step 3: Cross multiply
    51,217.36x = 76,778.72 × 32,440.61
  4. Step 4: Simplify right side
    51,217.36x = 2,490,748,511.82
  5. Step 5: Solve for x
    x = 2,490,748,511.82/51,217.36
  6. Step 6: Final answer
    x = 48,630.94

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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.