Home / 68,829.30-94,975.33-38,613.47

Finding the Fourth Proportional to 68,829.30, 94,975.33 and 38,613.47

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Solution

The fourth proportional to 68,829.30, 94,975.33 and 38,613.47 is: 53,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,829.30 : 94,975.33 = 38,613.47 : x
  2. Step 2: Convert to fraction form
    68,829.30/94,975.33 = 38,613.47/x
  3. Step 3: Cross multiply
    68,829.30x = 94,975.33 × 38,613.47
  4. Step 4: Simplify right side
    68,829.30x = 3,667,327,055.70
  5. Step 5: Solve for x
    x = 3,667,327,055.70/68,829.30
  6. Step 6: Final answer
    x = 53,281.48

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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.