Home / 49,170.90-67,866.58-31,262.41

Finding the Fourth Proportional to 49,170.90, 67,866.58 and 31,262.41

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Solution

The fourth proportional to 49,170.90, 67,866.58 and 31,262.41 is: 43,148.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,170.90 : 67,866.58 = 31,262.41 : x
  2. Step 2: Convert to fraction form
    49,170.90/67,866.58 = 31,262.41/x
  3. Step 3: Cross multiply
    49,170.90x = 67,866.58 × 31,262.41
  4. Step 4: Simplify right side
    49,170.90x = 2,121,672,679.35
  5. Step 5: Solve for x
    x = 2,121,672,679.35/49,170.90
  6. Step 6: Final answer
    x = 43,148.95

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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.