Home / 76,764.60-115,163.10-24,179.40

Finding the Fourth Proportional to 76,764.60, 115,163.10 and 24,179.40

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Solution

The fourth proportional to 76,764.60, 115,163.10 and 24,179.40 is: 36,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,764.60 : 115,163.10 = 24,179.40 : x
  2. Step 2: Convert to fraction form
    76,764.60/115,163.10 = 24,179.40/x
  3. Step 3: Cross multiply
    76,764.60x = 115,163.10 × 24,179.40
  4. Step 4: Simplify right side
    76,764.60x = 2,784,574,660.14
  5. Step 5: Solve for x
    x = 2,784,574,660.14/76,764.60
  6. Step 6: Final answer
    x = 36,274.20

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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.