Home / 76,670.20-115,002.06-24,078.52

Finding the Fourth Proportional to 76,670.20, 115,002.06 and 24,078.52

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Solution

The fourth proportional to 76,670.20, 115,002.06 and 24,078.52 is: 36,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,670.20 : 115,002.06 = 24,078.52 : x
  2. Step 2: Convert to fraction form
    76,670.20/115,002.06 = 24,078.52/x
  3. Step 3: Cross multiply
    76,670.20x = 115,002.06 × 24,078.52
  4. Step 4: Simplify right side
    76,670.20x = 2,769,079,401.75
  5. Step 5: Solve for x
    x = 2,769,079,401.75/76,670.20
  6. Step 6: Final answer
    x = 36,116.76

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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.