Home / 66,083.26-99,135.26-21,699.92

Finding the Fourth Proportional to 66,083.26, 99,135.26 and 21,699.92

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Solution

The fourth proportional to 66,083.26, 99,135.26 and 21,699.92 is: 32,553.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,083.26 : 99,135.26 = 21,699.92 : x
  2. Step 2: Convert to fraction form
    66,083.26/99,135.26 = 21,699.92/x
  3. Step 3: Cross multiply
    66,083.26x = 99,135.26 × 21,699.92
  4. Step 4: Simplify right side
    66,083.26x = 2,151,227,211.18
  5. Step 5: Solve for x
    x = 2,151,227,211.18/66,083.26
  6. Step 6: Final answer
    x = 32,553.29

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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.