Home / 75,137.50-103,690.47-41,604.22

Finding the Fourth Proportional to 75,137.50, 103,690.47 and 41,604.22

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Solution

The fourth proportional to 75,137.50, 103,690.47 and 41,604.22 is: 57,414.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,137.50 : 103,690.47 = 41,604.22 : x
  2. Step 2: Convert to fraction form
    75,137.50/103,690.47 = 41,604.22/x
  3. Step 3: Cross multiply
    75,137.50x = 103,690.47 × 41,604.22
  4. Step 4: Simplify right side
    75,137.50x = 4,313,961,125.78
  5. Step 5: Solve for x
    x = 4,313,961,125.78/75,137.50
  6. Step 6: Final answer
    x = 57,414.22

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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.