Home / 72,083.13-108,144.41-34,674.49

Finding the Fourth Proportional to 72,083.13, 108,144.41 and 34,674.49

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Solution

The fourth proportional to 72,083.13, 108,144.41 and 34,674.49 is: 52,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,083.13 : 108,144.41 = 34,674.49 : x
  2. Step 2: Convert to fraction form
    72,083.13/108,144.41 = 34,674.49/x
  3. Step 3: Cross multiply
    72,083.13x = 108,144.41 × 34,674.49
  4. Step 4: Simplify right side
    72,083.13x = 3,749,852,263.10
  5. Step 5: Solve for x
    x = 3,749,852,263.10/72,083.13
  6. Step 6: Final answer
    x = 52,021.22

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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.