Home / 123,027.27-169,778.19-69,313.11

Finding the Fourth Proportional to 123,027.27, 169,778.19 and 69,313.11

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Solution

The fourth proportional to 123,027.27, 169,778.19 and 69,313.11 is: 95,652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,027.27 : 169,778.19 = 69,313.11 : x
  2. Step 2: Convert to fraction form
    123,027.27/169,778.19 = 69,313.11/x
  3. Step 3: Cross multiply
    123,027.27x = 169,778.19 × 69,313.11
  4. Step 4: Simplify right side
    123,027.27x = 11,767,854,359.07
  5. Step 5: Solve for x
    x = 11,767,854,359.07/123,027.27
  6. Step 6: Final answer
    x = 95,652.41

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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.