Home / 74,950.60-112,431.66-33,401.80

Finding the Fourth Proportional to 74,950.60, 112,431.66 and 33,401.80

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Solution

The fourth proportional to 74,950.60, 112,431.66 and 33,401.80 is: 50,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,950.60 : 112,431.66 = 33,401.80 : x
  2. Step 2: Convert to fraction form
    74,950.60/112,431.66 = 33,401.80/x
  3. Step 3: Cross multiply
    74,950.60x = 112,431.66 × 33,401.80
  4. Step 4: Simplify right side
    74,950.60x = 3,755,419,820.99
  5. Step 5: Solve for x
    x = 3,755,419,820.99/74,950.60
  6. Step 6: Final answer
    x = 50,105.27

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1.5x scale

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.