Home / 122,117.43-168,521.06-68,402.96

Finding the Fourth Proportional to 122,117.43, 168,521.06 and 68,402.96

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Solution

The fourth proportional to 122,117.43, 168,521.06 and 68,402.96 is: 94,395.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,117.43 : 168,521.06 = 68,402.96 : x
  2. Step 2: Convert to fraction form
    122,117.43/168,521.06 = 68,402.96/x
  3. Step 3: Cross multiply
    122,117.43x = 168,521.06 × 68,402.96
  4. Step 4: Simplify right side
    122,117.43x = 11,527,338,654.74
  5. Step 5: Solve for x
    x = 11,527,338,654.74/122,117.43
  6. Step 6: Final answer
    x = 94,395.52

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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.