Home / 82,267.48-122,699.33-80,845.92

Finding the Fourth Proportional to 82,267.48, 122,699.33 and 80,845.92

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Solution

The fourth proportional to 82,267.48, 122,699.33 and 80,845.92 is: 120,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,267.48 : 122,699.33 = 80,845.92 : x
  2. Step 2: Convert to fraction form
    82,267.48/122,699.33 = 80,845.92/x
  3. Step 3: Cross multiply
    82,267.48x = 122,699.33 × 80,845.92
  4. Step 4: Simplify right side
    82,267.48x = 9,919,740,217.23
  5. Step 5: Solve for x
    x = 9,919,740,217.23/82,267.48
  6. Step 6: Final answer
    x = 120,579.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.