Home / 72,287.22-108,365.20-53,544.62

Finding the Fourth Proportional to 72,287.22, 108,365.20 and 53,544.62

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Solution

The fourth proportional to 72,287.22, 108,365.20 and 53,544.62 is: 80,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,287.22 : 108,365.20 = 53,544.62 : x
  2. Step 2: Convert to fraction form
    72,287.22/108,365.20 = 53,544.62/x
  3. Step 3: Cross multiply
    72,287.22x = 108,365.20 × 53,544.62
  4. Step 4: Simplify right side
    72,287.22x = 5,802,373,455.22
  5. Step 5: Solve for x
    x = 5,802,373,455.22/72,287.22
  6. Step 6: Final answer
    x = 80,268.32

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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.