Home / 75,187.90-103,757.70-41,194.72

Finding the Fourth Proportional to 75,187.90, 103,757.70 and 41,194.72

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Solution

The fourth proportional to 75,187.90, 103,757.70 and 41,194.72 is: 56,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,187.90 : 103,757.70 = 41,194.72 : x
  2. Step 2: Convert to fraction form
    75,187.90/103,757.70 = 41,194.72/x
  3. Step 3: Cross multiply
    75,187.90x = 103,757.70 × 41,194.72
  4. Step 4: Simplify right side
    75,187.90x = 4,274,269,399.34
  5. Step 5: Solve for x
    x = 4,274,269,399.34/75,187.90
  6. Step 6: Final answer
    x = 56,847.84

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1.5x scale

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.