Home / 122,444.66-168,960.12-68,717.36

Finding the Fourth Proportional to 122,444.66, 168,960.12 and 68,717.36

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Solution

The fourth proportional to 122,444.66, 168,960.12 and 68,717.36 is: 94,822.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,444.66 : 168,960.12 = 68,717.36 : x
  2. Step 2: Convert to fraction form
    122,444.66/168,960.12 = 68,717.36/x
  3. Step 3: Cross multiply
    122,444.66x = 168,960.12 × 68,717.36
  4. Step 4: Simplify right side
    122,444.66x = 11,610,493,391.68
  5. Step 5: Solve for x
    x = 11,610,493,391.68/122,444.66
  6. Step 6: Final answer
    x = 94,822.37

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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.