Home / 68,370.53-94,359.92-39,684.02

Finding the Fourth Proportional to 68,370.53, 94,359.92 and 39,684.02

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Solution

The fourth proportional to 68,370.53, 94,359.92 and 39,684.02 is: 54,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,370.53 : 94,359.92 = 39,684.02 : x
  2. Step 2: Convert to fraction form
    68,370.53/94,359.92 = 39,684.02/x
  3. Step 3: Cross multiply
    68,370.53x = 94,359.92 × 39,684.02
  4. Step 4: Simplify right side
    68,370.53x = 3,744,580,282.26
  5. Step 5: Solve for x
    x = 3,744,580,282.26/68,370.53
  6. Step 6: Final answer
    x = 54,768.93

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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.