Home / 123,310.11-170,168.54-69,597.39

Finding the Fourth Proportional to 123,310.11, 170,168.54 and 69,597.39

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Solution

The fourth proportional to 123,310.11, 170,168.54 and 69,597.39 is: 96,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,310.11 : 170,168.54 = 69,597.39 : x
  2. Step 2: Convert to fraction form
    123,310.11/170,168.54 = 69,597.39/x
  3. Step 3: Cross multiply
    123,310.11x = 170,168.54 × 69,597.39
  4. Step 4: Simplify right side
    123,310.11x = 11,843,285,896.12
  5. Step 5: Solve for x
    x = 11,843,285,896.12/123,310.11
  6. Step 6: Final answer
    x = 96,044.73

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1.5x scale

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.