Home / 68,963.77-95,180.30-42,121.72

Finding the Fourth Proportional to 68,963.77, 95,180.30 and 42,121.72

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Solution

The fourth proportional to 68,963.77, 95,180.30 and 42,121.72 is: 58,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,963.77 : 95,180.30 = 42,121.72 : x
  2. Step 2: Convert to fraction form
    68,963.77/95,180.30 = 42,121.72/x
  3. Step 3: Cross multiply
    68,963.77x = 95,180.30 × 42,121.72
  4. Step 4: Simplify right side
    68,963.77x = 4,009,157,946.12
  5. Step 5: Solve for x
    x = 4,009,157,946.12/68,963.77
  6. Step 6: Final answer
    x = 58,134.26

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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.