Home / 67,849.09-101,790.57-20,463.03

Finding the Fourth Proportional to 67,849.09, 101,790.57 and 20,463.03

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Solution

The fourth proportional to 67,849.09, 101,790.57 and 20,463.03 is: 30,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,849.09 : 101,790.57 = 20,463.03 : x
  2. Step 2: Convert to fraction form
    67,849.09/101,790.57 = 20,463.03/x
  3. Step 3: Cross multiply
    67,849.09x = 101,790.57 × 20,463.03
  4. Step 4: Simplify right side
    67,849.09x = 2,082,943,564.36
  5. Step 5: Solve for x
    x = 2,082,943,564.36/67,849.09
  6. Step 6: Final answer
    x = 30,699.65

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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.