Home / 74,625.12-111,938.40-35,200.80

Finding the Fourth Proportional to 74,625.12, 111,938.40 and 35,200.80

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Solution

The fourth proportional to 74,625.12, 111,938.40 and 35,200.80 is: 52,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,625.12 : 111,938.40 = 35,200.80 : x
  2. Step 2: Convert to fraction form
    74,625.12/111,938.40 = 35,200.80/x
  3. Step 3: Cross multiply
    74,625.12x = 111,938.40 × 35,200.80
  4. Step 4: Simplify right side
    74,625.12x = 3,940,321,230.72
  5. Step 5: Solve for x
    x = 3,940,321,230.72/74,625.12
  6. Step 6: Final answer
    x = 52,801.54

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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.