Home / 66,446.20-99,669.30-50,699.80

Finding the Fourth Proportional to 66,446.20, 99,669.30 and 50,699.80

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Solution

The fourth proportional to 66,446.20, 99,669.30 and 50,699.80 is: 76,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,446.20 : 99,669.30 = 50,699.80 : x
  2. Step 2: Convert to fraction form
    66,446.20/99,669.30 = 50,699.80/x
  3. Step 3: Cross multiply
    66,446.20x = 99,669.30 × 50,699.80
  4. Step 4: Simplify right side
    66,446.20x = 5,053,213,576.14
  5. Step 5: Solve for x
    x = 5,053,213,576.14/66,446.20
  6. Step 6: Final answer
    x = 76,049.70

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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.