Home / 72,287.36-108,468.10-34,879.33

Finding the Fourth Proportional to 72,287.36, 108,468.10 and 34,879.33

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Solution

The fourth proportional to 72,287.36, 108,468.10 and 34,879.33 is: 52,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,287.36 : 108,468.10 = 34,879.33 : x
  2. Step 2: Convert to fraction form
    72,287.36/108,468.10 = 34,879.33/x
  3. Step 3: Cross multiply
    72,287.36x = 108,468.10 × 34,879.33
  4. Step 4: Simplify right side
    72,287.36x = 3,783,294,654.37
  5. Step 5: Solve for x
    x = 3,783,294,654.37/72,287.36
  6. Step 6: Final answer
    x = 52,336.88

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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.