Home / 77,199.30-115,804.35-32,821.02

Finding the Fourth Proportional to 77,199.30, 115,804.35 and 32,821.02

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Solution

The fourth proportional to 77,199.30, 115,804.35 and 32,821.02 is: 49,233.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,199.30 : 115,804.35 = 32,821.02 : x
  2. Step 2: Convert to fraction form
    77,199.30/115,804.35 = 32,821.02/x
  3. Step 3: Cross multiply
    77,199.30x = 115,804.35 × 32,821.02
  4. Step 4: Simplify right side
    77,199.30x = 3,800,816,887.44
  5. Step 5: Solve for x
    x = 3,800,816,887.44/77,199.30
  6. Step 6: Final answer
    x = 49,233.83

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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.