Home / 81,518.73-122,313.24-44,105.10

Finding the Fourth Proportional to 81,518.73, 122,313.24 and 44,105.10

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Solution

The fourth proportional to 81,518.73, 122,313.24 and 44,105.10 is: 66,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,518.73 : 122,313.24 = 44,105.10 : x
  2. Step 2: Convert to fraction form
    81,518.73/122,313.24 = 44,105.10/x
  3. Step 3: Cross multiply
    81,518.73x = 122,313.24 × 44,105.10
  4. Step 4: Simplify right side
    81,518.73x = 5,394,637,681.52
  5. Step 5: Solve for x
    x = 5,394,637,681.52/81,518.73
  6. Step 6: Final answer
    x = 66,176.66

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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.