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Finding the Fourth Proportional to 72,062.57, 108,093.44 and 24,678.08

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Solution

The fourth proportional to 72,062.57, 108,093.44 and 24,678.08 is: 37,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,062.57 : 108,093.44 = 24,678.08 : x
  2. Step 2: Convert to fraction form
    72,062.57/108,093.44 = 24,678.08/x
  3. Step 3: Cross multiply
    72,062.57x = 108,093.44 × 24,678.08
  4. Step 4: Simplify right side
    72,062.57x = 2,667,537,895.94
  5. Step 5: Solve for x
    x = 2,667,537,895.94/72,062.57
  6. Step 6: Final answer
    x = 37,016.97

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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.