Home / 123,763.06-170,788.45-67,173.22

Finding the Fourth Proportional to 123,763.06, 170,788.45 and 67,173.22

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Solution

The fourth proportional to 123,763.06, 170,788.45 and 67,173.22 is: 92,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,763.06 : 170,788.45 = 67,173.22 : x
  2. Step 2: Convert to fraction form
    123,763.06/170,788.45 = 67,173.22/x
  3. Step 3: Cross multiply
    123,763.06x = 170,788.45 × 67,173.22
  4. Step 4: Simplify right side
    123,763.06x = 11,472,408,935.50
  5. Step 5: Solve for x
    x = 11,472,408,935.50/123,763.06
  6. Step 6: Final answer
    x = 92,696.56

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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.