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Finding the Fourth Proportional to 72,362.80, 108,544.20 and 50,201.20

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Solution

The fourth proportional to 72,362.80, 108,544.20 and 50,201.20 is: 75,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,362.80 : 108,544.20 = 50,201.20 : x
  2. Step 2: Convert to fraction form
    72,362.80/108,544.20 = 50,201.20/x
  3. Step 3: Cross multiply
    72,362.80x = 108,544.20 × 50,201.20
  4. Step 4: Simplify right side
    72,362.80x = 5,449,049,093.04
  5. Step 5: Solve for x
    x = 5,449,049,093.04/72,362.80
  6. Step 6: Final answer
    x = 75,301.80

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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.