Home / 50,311.08-69,500.14-47,653.88

Finding the Fourth Proportional to 50,311.08, 69,500.14 and 47,653.88

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Solution

The fourth proportional to 50,311.08, 69,500.14 and 47,653.88 is: 65,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,311.08 : 69,500.14 = 47,653.88 : x
  2. Step 2: Convert to fraction form
    50,311.08/69,500.14 = 47,653.88/x
  3. Step 3: Cross multiply
    50,311.08x = 69,500.14 × 47,653.88
  4. Step 4: Simplify right side
    50,311.08x = 3,311,951,331.54
  5. Step 5: Solve for x
    x = 3,311,951,331.54/50,311.08
  6. Step 6: Final answer
    x = 65,829.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.