Home / 81,716.67-122,461.61-37,234.71

Finding the Fourth Proportional to 81,716.67, 122,461.61 and 37,234.71

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Solution

The fourth proportional to 81,716.67, 122,461.61 and 37,234.71 is: 55,800.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,716.67 : 122,461.61 = 37,234.71 : x
  2. Step 2: Convert to fraction form
    81,716.67/122,461.61 = 37,234.71/x
  3. Step 3: Cross multiply
    81,716.67x = 122,461.61 × 37,234.71
  4. Step 4: Simplify right side
    81,716.67x = 4,559,822,348.31
  5. Step 5: Solve for x
    x = 4,559,822,348.31/81,716.67
  6. Step 6: Final answer
    x = 55,800.39

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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.