Home / 122,090.55-168,476.94-68,363.25

Finding the Fourth Proportional to 122,090.55, 168,476.94 and 68,363.25

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Solution

The fourth proportional to 122,090.55, 168,476.94 and 68,363.25 is: 94,336.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,090.55 : 168,476.94 = 68,363.25 : x
  2. Step 2: Convert to fraction form
    122,090.55/168,476.94 = 68,363.25/x
  3. Step 3: Cross multiply
    122,090.55x = 168,476.94 × 68,363.25
  4. Step 4: Simplify right side
    122,090.55x = 11,517,631,168.46
  5. Step 5: Solve for x
    x = 11,517,631,168.46/122,090.55
  6. Step 6: Final answer
    x = 94,336.79

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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.