Home / 122,219.24-168,662-68,504.28

Finding the Fourth Proportional to 122,219.24, 168,662 and 68,504.28

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Solution

The fourth proportional to 122,219.24, 168,662 and 68,504.28 is: 94,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,219.24 : 168,662 = 68,504.28 : x
  2. Step 2: Convert to fraction form
    122,219.24/168,662 = 68,504.28/x
  3. Step 3: Cross multiply
    122,219.24x = 168,662 × 68,504.28
  4. Step 4: Simplify right side
    122,219.24x = 11,554,068,873.36
  5. Step 5: Solve for x
    x = 11,554,068,873.36/122,219.24
  6. Step 6: Final answer
    x = 94,535.60

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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.