Home / 55,069.27-75,996.12-31,195.43

Finding the Fourth Proportional to 55,069.27, 75,996.12 and 31,195.43

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Solution

The fourth proportional to 55,069.27, 75,996.12 and 31,195.43 is: 43,049.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,069.27 : 75,996.12 = 31,195.43 : x
  2. Step 2: Convert to fraction form
    55,069.27/75,996.12 = 31,195.43/x
  3. Step 3: Cross multiply
    55,069.27x = 75,996.12 × 31,195.43
  4. Step 4: Simplify right side
    55,069.27x = 2,370,731,663.72
  5. Step 5: Solve for x
    x = 2,370,731,663.72/55,069.27
  6. Step 6: Final answer
    x = 43,049.99

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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.