Home / 68,965.02-95,215.30-45,131.99

Finding the Fourth Proportional to 68,965.02, 95,215.30 and 45,131.99

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Solution

The fourth proportional to 68,965.02, 95,215.30 and 45,131.99 is: 62,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,965.02 : 95,215.30 = 45,131.99 : x
  2. Step 2: Convert to fraction form
    68,965.02/95,215.30 = 45,131.99/x
  3. Step 3: Cross multiply
    68,965.02x = 95,215.30 × 45,131.99
  4. Step 4: Simplify right side
    68,965.02x = 4,297,255,378.54
  5. Step 5: Solve for x
    x = 4,297,255,378.54/68,965.02
  6. Step 6: Final answer
    x = 62,310.65

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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.