Home / 68,212.76-94,133.70-39,537.99

Finding the Fourth Proportional to 68,212.76, 94,133.70 and 39,537.99

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Solution

The fourth proportional to 68,212.76, 94,133.70 and 39,537.99 is: 54,562.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,212.76 : 94,133.70 = 39,537.99 : x
  2. Step 2: Convert to fraction form
    68,212.76/94,133.70 = 39,537.99/x
  3. Step 3: Cross multiply
    68,212.76x = 94,133.70 × 39,537.99
  4. Step 4: Simplify right side
    68,212.76x = 3,721,857,289.26
  5. Step 5: Solve for x
    x = 3,721,857,289.26/68,212.76
  6. Step 6: Final answer
    x = 54,562.48

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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.