Home / 68,035.02-102,067.08-28,571.82

Finding the Fourth Proportional to 68,035.02, 102,067.08 and 28,571.82

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Solution

The fourth proportional to 68,035.02, 102,067.08 and 28,571.82 is: 42,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,035.02 : 102,067.08 = 28,571.82 : x
  2. Step 2: Convert to fraction form
    68,035.02/102,067.08 = 28,571.82/x
  3. Step 3: Cross multiply
    68,035.02x = 102,067.08 × 28,571.82
  4. Step 4: Simplify right side
    68,035.02x = 2,916,242,237.69
  5. Step 5: Solve for x
    x = 2,916,242,237.69/68,035.02
  6. Step 6: Final answer
    x = 42,863.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.