Home / 122,077.20-168,447.06-68,364.48

Finding the Fourth Proportional to 122,077.20, 168,447.06 and 68,364.48

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Solution

The fourth proportional to 122,077.20, 168,447.06 and 68,364.48 is: 94,332.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,077.20 : 168,447.06 = 68,364.48 : x
  2. Step 2: Convert to fraction form
    122,077.20/168,447.06 = 68,364.48/x
  3. Step 3: Cross multiply
    122,077.20x = 168,447.06 × 68,364.48
  4. Step 4: Simplify right side
    122,077.20x = 11,515,795,664.43
  5. Step 5: Solve for x
    x = 11,515,795,664.43/122,077.20
  6. Step 6: Final answer
    x = 94,332.08

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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.