Home / 123,734.10-170,753.52-67,145.48

Finding the Fourth Proportional to 123,734.10, 170,753.52 and 67,145.48

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Solution

The fourth proportional to 123,734.10, 170,753.52 and 67,145.48 is: 92,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,734.10 : 170,753.52 = 67,145.48 : x
  2. Step 2: Convert to fraction form
    123,734.10/170,753.52 = 67,145.48/x
  3. Step 3: Cross multiply
    123,734.10x = 170,753.52 × 67,145.48
  4. Step 4: Simplify right side
    123,734.10x = 11,465,327,062.09
  5. Step 5: Solve for x
    x = 11,465,327,062.09/123,734.10
  6. Step 6: Final answer
    x = 92,661.01

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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.