Home / 123,734.84-170,757.36-67,146.24

Finding the Fourth Proportional to 123,734.84, 170,757.36 and 67,146.24

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Solution

The fourth proportional to 123,734.84, 170,757.36 and 67,146.24 is: 92,663.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,734.84 : 170,757.36 = 67,146.24 : x
  2. Step 2: Convert to fraction form
    123,734.84/170,757.36 = 67,146.24/x
  3. Step 3: Cross multiply
    123,734.84x = 170,757.36 × 67,146.24
  4. Step 4: Simplify right side
    123,734.84x = 11,465,714,676.33
  5. Step 5: Solve for x
    x = 11,465,714,676.33/123,734.84
  6. Step 6: Final answer
    x = 92,663.59

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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.