Home / 75,110.85-103,654.62-41,120.82

Finding the Fourth Proportional to 75,110.85, 103,654.62 and 41,120.82

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Solution

The fourth proportional to 75,110.85, 103,654.62 and 41,120.82 is: 56,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,110.85 : 103,654.62 = 41,120.82 : x
  2. Step 2: Convert to fraction form
    75,110.85/103,654.62 = 41,120.82/x
  3. Step 3: Cross multiply
    75,110.85x = 103,654.62 × 41,120.82
  4. Step 4: Simplify right side
    75,110.85x = 4,262,362,971.19
  5. Step 5: Solve for x
    x = 4,262,362,971.19/75,110.85
  6. Step 6: Final answer
    x = 56,747.63

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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.