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Finding the Fourth Proportional to 75,994.45, 113,994 and 26,073.86

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Solution

The fourth proportional to 75,994.45, 113,994 and 26,073.86 is: 39,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,994.45 : 113,994 = 26,073.86 : x
  2. Step 2: Convert to fraction form
    75,994.45/113,994 = 26,073.86/x
  3. Step 3: Cross multiply
    75,994.45x = 113,994 × 26,073.86
  4. Step 4: Simplify right side
    75,994.45x = 2,972,263,026.87
  5. Step 5: Solve for x
    x = 2,972,263,026.87/75,994.45
  6. Step 6: Final answer
    x = 39,111.58

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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.