Home / 74,649.88-111,919.92-35,185.60

Finding the Fourth Proportional to 74,649.88, 111,919.92 and 35,185.60

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Solution

The fourth proportional to 74,649.88, 111,919.92 and 35,185.60 is: 52,752.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,649.88 : 111,919.92 = 35,185.60 : x
  2. Step 2: Convert to fraction form
    74,649.88/111,919.92 = 35,185.60/x
  3. Step 3: Cross multiply
    74,649.88x = 111,919.92 × 35,185.60
  4. Step 4: Simplify right side
    74,649.88x = 3,937,969,537.15
  5. Step 5: Solve for x
    x = 3,937,969,537.15/74,649.88
  6. Step 6: Final answer
    x = 52,752.52

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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.