Home / 76,400.10-114,601.66-26,481.82

Finding the Fourth Proportional to 76,400.10, 114,601.66 and 26,481.82

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Solution

The fourth proportional to 76,400.10, 114,601.66 and 26,481.82 is: 39,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,400.10 : 114,601.66 = 26,481.82 : x
  2. Step 2: Convert to fraction form
    76,400.10/114,601.66 = 26,481.82/x
  3. Step 3: Cross multiply
    76,400.10x = 114,601.66 × 26,481.82
  4. Step 4: Simplify right side
    76,400.10x = 3,034,860,531.82
  5. Step 5: Solve for x
    x = 3,034,860,531.82/76,400.10
  6. Step 6: Final answer
    x = 39,723.25

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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.