Home / 50,456.77-69,625.11-31,072.60

Finding the Fourth Proportional to 50,456.77, 69,625.11 and 31,072.60

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Solution

The fourth proportional to 50,456.77, 69,625.11 and 31,072.60 is: 42,876.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,456.77 : 69,625.11 = 31,072.60 : x
  2. Step 2: Convert to fraction form
    50,456.77/69,625.11 = 31,072.60/x
  3. Step 3: Cross multiply
    50,456.77x = 69,625.11 × 31,072.60
  4. Step 4: Simplify right side
    50,456.77x = 2,163,433,037.62
  5. Step 5: Solve for x
    x = 2,163,433,037.62/50,456.77
  6. Step 6: Final answer
    x = 42,876.97

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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.