Home / 75,212.08-103,792.70-41,221.92

Finding the Fourth Proportional to 75,212.08, 103,792.70 and 41,221.92

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Solution

The fourth proportional to 75,212.08, 103,792.70 and 41,221.92 is: 56,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,212.08 : 103,792.70 = 41,221.92 : x
  2. Step 2: Convert to fraction form
    75,212.08/103,792.70 = 41,221.92/x
  3. Step 3: Cross multiply
    75,212.08x = 103,792.70 × 41,221.92
  4. Step 4: Simplify right side
    75,212.08x = 4,278,534,375.98
  5. Step 5: Solve for x
    x = 4,278,534,375.98/75,212.08
  6. Step 6: Final answer
    x = 56,886.27

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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.