Home / 68,675.37-94,733.31-39,991.65

Finding the Fourth Proportional to 68,675.37, 94,733.31 and 39,991.65

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Solution

The fourth proportional to 68,675.37, 94,733.31 and 39,991.65 is: 55,165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,675.37 : 94,733.31 = 39,991.65 : x
  2. Step 2: Convert to fraction form
    68,675.37/94,733.31 = 39,991.65/x
  3. Step 3: Cross multiply
    68,675.37x = 94,733.31 × 39,991.65
  4. Step 4: Simplify right side
    68,675.37x = 3,788,541,376.86
  5. Step 5: Solve for x
    x = 3,788,541,376.86/68,675.37
  6. Step 6: Final answer
    x = 55,165.94

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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.