Home / 107,768.31-148,724.85-60,021.66

Finding the Fourth Proportional to 107,768.31, 148,724.85 and 60,021.66

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Solution

The fourth proportional to 107,768.31, 148,724.85 and 60,021.66 is: 82,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,768.31 : 148,724.85 = 60,021.66 : x
  2. Step 2: Convert to fraction form
    107,768.31/148,724.85 = 60,021.66/x
  3. Step 3: Cross multiply
    107,768.31x = 148,724.85 × 60,021.66
  4. Step 4: Simplify right side
    107,768.31x = 8,926,712,380.25
  5. Step 5: Solve for x
    x = 8,926,712,380.25/107,768.31
  6. Step 6: Final answer
    x = 82,832.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.