Home / 73,274.20-109,911.30-51,112.60

Finding the Fourth Proportional to 73,274.20, 109,911.30 and 51,112.60

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Solution

The fourth proportional to 73,274.20, 109,911.30 and 51,112.60 is: 76,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,274.20 : 109,911.30 = 51,112.60 : x
  2. Step 2: Convert to fraction form
    73,274.20/109,911.30 = 51,112.60/x
  3. Step 3: Cross multiply
    73,274.20x = 109,911.30 × 51,112.60
  4. Step 4: Simplify right side
    73,274.20x = 5,617,852,312.38
  5. Step 5: Solve for x
    x = 5,617,852,312.38/73,274.20
  6. Step 6: Final answer
    x = 76,668.90

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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.