Home / 76,170.92-114,181.11-36,119.66

Finding the Fourth Proportional to 76,170.92, 114,181.11 and 36,119.66

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Solution

The fourth proportional to 76,170.92, 114,181.11 and 36,119.66 is: 54,143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,170.92 : 114,181.11 = 36,119.66 : x
  2. Step 2: Convert to fraction form
    76,170.92/114,181.11 = 36,119.66/x
  3. Step 3: Cross multiply
    76,170.92x = 114,181.11 × 36,119.66
  4. Step 4: Simplify right side
    76,170.92x = 4,124,182,300.72
  5. Step 5: Solve for x
    x = 4,124,182,300.72/76,170.92
  6. Step 6: Final answer
    x = 54,143.79

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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.