Home / 77,623.61-116,338.01-33,198.12

Finding the Fourth Proportional to 77,623.61, 116,338.01 and 33,198.12

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Solution

The fourth proportional to 77,623.61, 116,338.01 and 33,198.12 is: 49,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,623.61 : 116,338.01 = 33,198.12 : x
  2. Step 2: Convert to fraction form
    77,623.61/116,338.01 = 33,198.12/x
  3. Step 3: Cross multiply
    77,623.61x = 116,338.01 × 33,198.12
  4. Step 4: Simplify right side
    77,623.61x = 3,862,203,050.55
  5. Step 5: Solve for x
    x = 3,862,203,050.55/77,623.61
  6. Step 6: Final answer
    x = 49,755.52

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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.