Home / 49,538.11-68,337.17-31,357.99

Finding the Fourth Proportional to 49,538.11, 68,337.17 and 31,357.99

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Solution

The fourth proportional to 49,538.11, 68,337.17 and 31,357.99 is: 43,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,538.11 : 68,337.17 = 31,357.99 : x
  2. Step 2: Convert to fraction form
    49,538.11/68,337.17 = 31,357.99/x
  3. Step 3: Cross multiply
    49,538.11x = 68,337.17 × 31,357.99
  4. Step 4: Simplify right side
    49,538.11x = 2,142,916,486.98
  5. Step 5: Solve for x
    x = 2,142,916,486.98/49,538.11
  6. Step 6: Final answer
    x = 43,257.94

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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.