Home / 107,967.78-148,992.33-60,220.05

Finding the Fourth Proportional to 107,967.78, 148,992.33 and 60,220.05

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Solution

The fourth proportional to 107,967.78, 148,992.33 and 60,220.05 is: 83,101.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,967.78 : 148,992.33 = 60,220.05 : x
  2. Step 2: Convert to fraction form
    107,967.78/148,992.33 = 60,220.05/x
  3. Step 3: Cross multiply
    107,967.78x = 148,992.33 × 60,220.05
  4. Step 4: Simplify right side
    107,967.78x = 8,972,325,562.22
  5. Step 5: Solve for x
    x = 8,972,325,562.22/107,967.78
  6. Step 6: Final answer
    x = 83,101.88

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1.5x scale

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.