Home / 53,193.06-72,874.19-51,198.84

Finding the Fourth Proportional to 53,193.06, 72,874.19 and 51,198.84

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Solution

The fourth proportional to 53,193.06, 72,874.19 and 51,198.84 is: 70,142.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,193.06 : 72,874.19 = 51,198.84 : x
  2. Step 2: Convert to fraction form
    53,193.06/72,874.19 = 51,198.84/x
  3. Step 3: Cross multiply
    53,193.06x = 72,874.19 × 51,198.84
  4. Step 4: Simplify right side
    53,193.06x = 3,731,074,121.94
  5. Step 5: Solve for x
    x = 3,731,074,121.94/53,193.06
  6. Step 6: Final answer
    x = 70,142.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.