Home / 74,650.50-111,987.27-27,910.02

Finding the Fourth Proportional to 74,650.50, 111,987.27 and 27,910.02

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Solution

The fourth proportional to 74,650.50, 111,987.27 and 27,910.02 is: 41,869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,650.50 : 111,987.27 = 27,910.02 : x
  2. Step 2: Convert to fraction form
    74,650.50/111,987.27 = 27,910.02/x
  3. Step 3: Cross multiply
    74,650.50x = 111,987.27 × 27,910.02
  4. Step 4: Simplify right side
    74,650.50x = 3,125,566,945.45
  5. Step 5: Solve for x
    x = 3,125,566,945.45/74,650.50
  6. Step 6: Final answer
    x = 41,869.34

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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.