Home / 81,844.02-122,767.56-25,682.85

Finding the Fourth Proportional to 81,844.02, 122,767.56 and 25,682.85

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Solution

The fourth proportional to 81,844.02, 122,767.56 and 25,682.85 is: 38,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,844.02 : 122,767.56 = 25,682.85 : x
  2. Step 2: Convert to fraction form
    81,844.02/122,767.56 = 25,682.85/x
  3. Step 3: Cross multiply
    81,844.02x = 122,767.56 × 25,682.85
  4. Step 4: Simplify right side
    81,844.02x = 3,153,020,828.35
  5. Step 5: Solve for x
    x = 3,153,020,828.35/81,844.02
  6. Step 6: Final answer
    x = 38,524.76

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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.