Home / 49,198.92-67,904.62-31,290.50

Finding the Fourth Proportional to 49,198.92, 67,904.62 and 31,290.50

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Solution

The fourth proportional to 49,198.92, 67,904.62 and 31,290.50 is: 43,187.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,198.92 : 67,904.62 = 31,290.50 : x
  2. Step 2: Convert to fraction form
    49,198.92/67,904.62 = 31,290.50/x
  3. Step 3: Cross multiply
    49,198.92x = 67,904.62 × 31,290.50
  4. Step 4: Simplify right side
    49,198.92x = 2,124,769,512.11
  5. Step 5: Solve for x
    x = 2,124,769,512.11/49,198.92
  6. Step 6: Final answer
    x = 43,187.32

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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.