Home / 72,091.38-108,137.07-27,739.02

Finding the Fourth Proportional to 72,091.38, 108,137.07 and 27,739.02

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Solution

The fourth proportional to 72,091.38, 108,137.07 and 27,739.02 is: 41,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,091.38 : 108,137.07 = 27,739.02 : x
  2. Step 2: Convert to fraction form
    72,091.38/108,137.07 = 27,739.02/x
  3. Step 3: Cross multiply
    72,091.38x = 108,137.07 × 27,739.02
  4. Step 4: Simplify right side
    72,091.38x = 2,999,616,347.47
  5. Step 5: Solve for x
    x = 2,999,616,347.47/72,091.38
  6. Step 6: Final answer
    x = 41,608.53

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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.