Home / 81,794.46-122,642.12-53,352.66

Finding the Fourth Proportional to 81,794.46, 122,642.12 and 53,352.66

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Solution

The fourth proportional to 81,794.46, 122,642.12 and 53,352.66 is: 79,996.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,794.46 : 122,642.12 = 53,352.66 : x
  2. Step 2: Convert to fraction form
    81,794.46/122,642.12 = 53,352.66/x
  3. Step 3: Cross multiply
    81,794.46x = 122,642.12 × 53,352.66
  4. Step 4: Simplify right side
    81,794.46x = 6,543,283,330.04
  5. Step 5: Solve for x
    x = 6,543,283,330.04/81,794.46
  6. Step 6: Final answer
    x = 79,996.66

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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.