Home / 75,286.26-103,887.78-45,070.98

Finding the Fourth Proportional to 75,286.26, 103,887.78 and 45,070.98

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Solution

The fourth proportional to 75,286.26, 103,887.78 and 45,070.98 is: 62,193.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,286.26 : 103,887.78 = 45,070.98 : x
  2. Step 2: Convert to fraction form
    75,286.26/103,887.78 = 45,070.98/x
  3. Step 3: Cross multiply
    75,286.26x = 103,887.78 × 45,070.98
  4. Step 4: Simplify right side
    75,286.26x = 4,682,324,054.62
  5. Step 5: Solve for x
    x = 4,682,324,054.62/75,286.26
  6. Step 6: Final answer
    x = 62,193.61

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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.