Home / 75,131.96-103,677.50-41,140.85

Finding the Fourth Proportional to 75,131.96, 103,677.50 and 41,140.85

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Solution

The fourth proportional to 75,131.96, 103,677.50 and 41,140.85 is: 56,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,131.96 : 103,677.50 = 41,140.85 : x
  2. Step 2: Convert to fraction form
    75,131.96/103,677.50 = 41,140.85/x
  3. Step 3: Cross multiply
    75,131.96x = 103,677.50 × 41,140.85
  4. Step 4: Simplify right side
    75,131.96x = 4,265,379,751.78
  5. Step 5: Solve for x
    x = 4,265,379,751.78/75,131.96
  6. Step 6: Final answer
    x = 56,771.85

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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.