Home / 68,976.66-95,198.10-42,134.64

Finding the Fourth Proportional to 68,976.66, 95,198.10 and 42,134.64

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Solution

The fourth proportional to 68,976.66, 95,198.10 and 42,134.64 is: 58,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,976.66 : 95,198.10 = 42,134.64 : x
  2. Step 2: Convert to fraction form
    68,976.66/95,198.10 = 42,134.64/x
  3. Step 3: Cross multiply
    68,976.66x = 95,198.10 × 42,134.64
  4. Step 4: Simplify right side
    68,976.66x = 4,011,137,672.18
  5. Step 5: Solve for x
    x = 4,011,137,672.18/68,976.66
  6. Step 6: Final answer
    x = 58,152.10

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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.