Home / 68,866.58-95,091.90-56,121.64

Finding the Fourth Proportional to 68,866.58, 95,091.90 and 56,121.64

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Solution

The fourth proportional to 68,866.58, 95,091.90 and 56,121.64 is: 77,493.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,866.58 : 95,091.90 = 56,121.64 : x
  2. Step 2: Convert to fraction form
    68,866.58/95,091.90 = 56,121.64/x
  3. Step 3: Cross multiply
    68,866.58x = 95,091.90 × 56,121.64
  4. Step 4: Simplify right side
    68,866.58x = 5,336,713,378.72
  5. Step 5: Solve for x
    x = 5,336,713,378.72/68,866.58
  6. Step 6: Final answer
    x = 77,493.52

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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.