Home / 74,748.75-103,153.28-41,216.91

Finding the Fourth Proportional to 74,748.75, 103,153.28 and 41,216.91

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Solution

The fourth proportional to 74,748.75, 103,153.28 and 41,216.91 is: 56,879.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748.75 : 103,153.28 = 41,216.91 : x
  2. Step 2: Convert to fraction form
    74,748.75/103,153.28 = 41,216.91/x
  3. Step 3: Cross multiply
    74,748.75x = 103,153.28 × 41,216.91
  4. Step 4: Simplify right side
    74,748.75x = 4,251,659,251.88
  5. Step 5: Solve for x
    x = 4,251,659,251.88/74,748.75
  6. Step 6: Final answer
    x = 56,879.34

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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.