Home / 122,227.08-168,681.17-68,512.11

Finding the Fourth Proportional to 122,227.08, 168,681.17 and 68,512.11

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Solution

The fourth proportional to 122,227.08, 168,681.17 and 68,512.11 is: 94,551.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,227.08 : 168,681.17 = 68,512.11 : x
  2. Step 2: Convert to fraction form
    122,227.08/168,681.17 = 68,512.11/x
  3. Step 3: Cross multiply
    122,227.08x = 168,681.17 × 68,512.11
  4. Step 4: Simplify right side
    122,227.08x = 11,556,702,873.97
  5. Step 5: Solve for x
    x = 11,556,702,873.97/122,227.08
  6. Step 6: Final answer
    x = 94,551.08

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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.