Home / 107,927.80-161,821.62-51,766.60

Finding the Fourth Proportional to 107,927.80, 161,821.62 and 51,766.60

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Solution

The fourth proportional to 107,927.80, 161,821.62 and 51,766.60 is: 77,616.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,927.80 : 161,821.62 = 51,766.60 : x
  2. Step 2: Convert to fraction form
    107,927.80/161,821.62 = 51,766.60/x
  3. Step 3: Cross multiply
    107,927.80x = 161,821.62 × 51,766.60
  4. Step 4: Simplify right side
    107,927.80x = 8,376,955,073.89
  5. Step 5: Solve for x
    x = 8,376,955,073.89/107,927.80
  6. Step 6: Final answer
    x = 77,616.29

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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.