Home / 68,941.43-95,135.52-38,728.03

Finding the Fourth Proportional to 68,941.43, 95,135.52 and 38,728.03

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Solution

The fourth proportional to 68,941.43, 95,135.52 and 38,728.03 is: 53,442.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,941.43 : 95,135.52 = 38,728.03 : x
  2. Step 2: Convert to fraction form
    68,941.43/95,135.52 = 38,728.03/x
  3. Step 3: Cross multiply
    68,941.43x = 95,135.52 × 38,728.03
  4. Step 4: Simplify right side
    68,941.43x = 3,684,411,180.02
  5. Step 5: Solve for x
    x = 3,684,411,180.02/68,941.43
  6. Step 6: Final answer
    x = 53,442.63

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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.