Home / 75,709.11-113,418.13-42,327.94

Finding the Fourth Proportional to 75,709.11, 113,418.13 and 42,327.94

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Solution

The fourth proportional to 75,709.11, 113,418.13 and 42,327.94 is: 63,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,709.11 : 113,418.13 = 42,327.94 : x
  2. Step 2: Convert to fraction form
    75,709.11/113,418.13 = 42,327.94/x
  3. Step 3: Cross multiply
    75,709.11x = 113,418.13 × 42,327.94
  4. Step 4: Simplify right side
    75,709.11x = 4,800,755,801.55
  5. Step 5: Solve for x
    x = 4,800,755,801.55/75,709.11
  6. Step 6: Final answer
    x = 63,410.54

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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.