Home / 76,856.41-115,320.26-32,493.52

Finding the Fourth Proportional to 76,856.41, 115,320.26 and 32,493.52

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Solution

The fourth proportional to 76,856.41, 115,320.26 and 32,493.52 is: 48,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,856.41 : 115,320.26 = 32,493.52 : x
  2. Step 2: Convert to fraction form
    76,856.41/115,320.26 = 32,493.52/x
  3. Step 3: Cross multiply
    76,856.41x = 115,320.26 × 32,493.52
  4. Step 4: Simplify right side
    76,856.41x = 3,747,161,174.72
  5. Step 5: Solve for x
    x = 3,747,161,174.72/76,856.41
  6. Step 6: Final answer
    x = 48,755.35

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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.