Home / 50,144.92-75,166.85-31,438.10

Finding the Fourth Proportional to 50,144.92, 75,166.85 and 31,438.10

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Solution

The fourth proportional to 50,144.92, 75,166.85 and 31,438.10 is: 47,125.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,144.92 : 75,166.85 = 31,438.10 : x
  2. Step 2: Convert to fraction form
    50,144.92/75,166.85 = 31,438.10/x
  3. Step 3: Cross multiply
    50,144.92x = 75,166.85 × 31,438.10
  4. Step 4: Simplify right side
    50,144.92x = 2,363,103,213.50
  5. Step 5: Solve for x
    x = 2,363,103,213.50/50,144.92
  6. Step 6: Final answer
    x = 47,125.48

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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.