Home / 123,943.73-171,043.43-67,355.10

Finding the Fourth Proportional to 123,943.73, 171,043.43 and 67,355.10

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Solution

The fourth proportional to 123,943.73, 171,043.43 and 67,355.10 is: 92,950.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,943.73 : 171,043.43 = 67,355.10 : x
  2. Step 2: Convert to fraction form
    123,943.73/171,043.43 = 67,355.10/x
  3. Step 3: Cross multiply
    123,943.73x = 171,043.43 × 67,355.10
  4. Step 4: Simplify right side
    123,943.73x = 11,520,646,995.22
  5. Step 5: Solve for x
    x = 11,520,646,995.22/123,943.73
  6. Step 6: Final answer
    x = 92,950.63

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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.