Home / 68,684.10-94,781.25-38,468.94

Finding the Fourth Proportional to 68,684.10, 94,781.25 and 38,468.94

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Solution

The fourth proportional to 68,684.10, 94,781.25 and 38,468.94 is: 53,085.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,684.10 : 94,781.25 = 38,468.94 : x
  2. Step 2: Convert to fraction form
    68,684.10/94,781.25 = 38,468.94/x
  3. Step 3: Cross multiply
    68,684.10x = 94,781.25 × 38,468.94
  4. Step 4: Simplify right side
    68,684.10x = 3,646,134,219.38
  5. Step 5: Solve for x
    x = 3,646,134,219.38/68,684.10
  6. Step 6: Final answer
    x = 53,085.56

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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.