Home / 50,911.61-76,423.28-40,448.88

Finding the Fourth Proportional to 50,911.61, 76,423.28 and 40,448.88

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Solution

The fourth proportional to 50,911.61, 76,423.28 and 40,448.88 is: 60,717.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,911.61 : 76,423.28 = 40,448.88 : x
  2. Step 2: Convert to fraction form
    50,911.61/76,423.28 = 40,448.88/x
  3. Step 3: Cross multiply
    50,911.61x = 76,423.28 × 40,448.88
  4. Step 4: Simplify right side
    50,911.61x = 3,091,235,879.68
  5. Step 5: Solve for x
    x = 3,091,235,879.68/50,911.61
  6. Step 6: Final answer
    x = 60,717.71

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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.