Home / 50,688.99-76,102.43-28,517.97

Finding the Fourth Proportional to 50,688.99, 76,102.43 and 28,517.97

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Solution

The fourth proportional to 50,688.99, 76,102.43 and 28,517.97 is: 42,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688.99 : 76,102.43 = 28,517.97 : x
  2. Step 2: Convert to fraction form
    50,688.99/76,102.43 = 28,517.97/x
  3. Step 3: Cross multiply
    50,688.99x = 76,102.43 × 28,517.97
  4. Step 4: Simplify right side
    50,688.99x = 2,170,286,673.08
  5. Step 5: Solve for x
    x = 2,170,286,673.08/50,688.99
  6. Step 6: Final answer
    x = 42,815.74

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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.