Home / 72,542.13-108,796.18-35,083.68

Finding the Fourth Proportional to 72,542.13, 108,796.18 and 35,083.68

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Solution

The fourth proportional to 72,542.13, 108,796.18 and 35,083.68 is: 52,617.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,542.13 : 108,796.18 = 35,083.68 : x
  2. Step 2: Convert to fraction form
    72,542.13/108,796.18 = 35,083.68/x
  3. Step 3: Cross multiply
    72,542.13x = 108,796.18 × 35,083.68
  4. Step 4: Simplify right side
    72,542.13x = 3,816,970,364.34
  5. Step 5: Solve for x
    x = 3,816,970,364.34/72,542.13
  6. Step 6: Final answer
    x = 52,617.29

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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.