Home / 123,652.18-170,665.56-69,939.46

Finding the Fourth Proportional to 123,652.18, 170,665.56 and 69,939.46

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Solution

The fourth proportional to 123,652.18, 170,665.56 and 69,939.46 is: 96,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,652.18 : 170,665.56 = 69,939.46 : x
  2. Step 2: Convert to fraction form
    123,652.18/170,665.56 = 69,939.46/x
  3. Step 3: Cross multiply
    123,652.18x = 170,665.56 × 69,939.46
  4. Step 4: Simplify right side
    123,652.18x = 11,936,257,107.00
  5. Step 5: Solve for x
    x = 11,936,257,107.00/123,652.18
  6. Step 6: Final answer
    x = 96,530.91

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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.