Home / 72,939.83-100,654.04-41,115.33

Finding the Fourth Proportional to 72,939.83, 100,654.04 and 41,115.33

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Solution

The fourth proportional to 72,939.83, 100,654.04 and 41,115.33 is: 56,737.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,939.83 : 100,654.04 = 41,115.33 : x
  2. Step 2: Convert to fraction form
    72,939.83/100,654.04 = 41,115.33/x
  3. Step 3: Cross multiply
    72,939.83x = 100,654.04 × 41,115.33
  4. Step 4: Simplify right side
    72,939.83x = 4,138,424,173.22
  5. Step 5: Solve for x
    x = 4,138,424,173.22/72,939.83
  6. Step 6: Final answer
    x = 56,737.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.