Home / 49,198.80-67,873.92-31,303.68

Finding the Fourth Proportional to 49,198.80, 67,873.92 and 31,303.68

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Solution

The fourth proportional to 49,198.80, 67,873.92 and 31,303.68 is: 43,186.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,198.80 : 67,873.92 = 31,303.68 : x
  2. Step 2: Convert to fraction form
    49,198.80/67,873.92 = 31,303.68/x
  3. Step 3: Cross multiply
    49,198.80x = 67,873.92 × 31,303.68
  4. Step 4: Simplify right side
    49,198.80x = 2,124,703,472.03
  5. Step 5: Solve for x
    x = 2,124,703,472.03/49,198.80
  6. Step 6: Final answer
    x = 43,186.08

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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.