Home / 68,941.84-95,134.55-38,721.26

Finding the Fourth Proportional to 68,941.84, 95,134.55 and 38,721.26

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Solution

The fourth proportional to 68,941.84, 95,134.55 and 38,721.26 is: 53,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,941.84 : 95,134.55 = 38,721.26 : x
  2. Step 2: Convert to fraction form
    68,941.84/95,134.55 = 38,721.26/x
  3. Step 3: Cross multiply
    68,941.84x = 95,134.55 × 38,721.26
  4. Step 4: Simplify right side
    68,941.84x = 3,683,728,976.25
  5. Step 5: Solve for x
    x = 3,683,728,976.25/68,941.84
  6. Step 6: Final answer
    x = 53,432.41

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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.