Home / 50,906.20-76,359.30-49,812.70

Finding the Fourth Proportional to 50,906.20, 76,359.30 and 49,812.70

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Solution

The fourth proportional to 50,906.20, 76,359.30 and 49,812.70 is: 74,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,906.20 : 76,359.30 = 49,812.70 : x
  2. Step 2: Convert to fraction form
    50,906.20/76,359.30 = 49,812.70/x
  3. Step 3: Cross multiply
    50,906.20x = 76,359.30 × 49,812.70
  4. Step 4: Simplify right side
    50,906.20x = 3,803,662,903.11
  5. Step 5: Solve for x
    x = 3,803,662,903.11/50,906.20
  6. Step 6: Final answer
    x = 74,719.05

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1.5x scale

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.