Home / 122,480.03-169,018.11-68,767.31

Finding the Fourth Proportional to 122,480.03, 169,018.11 and 68,767.31

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Solution

The fourth proportional to 122,480.03, 169,018.11 and 68,767.31 is: 94,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,480.03 : 169,018.11 = 68,767.31 : x
  2. Step 2: Convert to fraction form
    122,480.03/169,018.11 = 68,767.31/x
  3. Step 3: Cross multiply
    122,480.03x = 169,018.11 × 68,767.31
  4. Step 4: Simplify right side
    122,480.03x = 11,622,921,188.53
  5. Step 5: Solve for x
    x = 11,622,921,188.53/122,480.03
  6. Step 6: Final answer
    x = 94,896.46

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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.