Home / 122,796.10-169,456.80-69,081.13

Finding the Fourth Proportional to 122,796.10, 169,456.80 and 69,081.13

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Solution

The fourth proportional to 122,796.10, 169,456.80 and 69,081.13 is: 95,330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,796.10 : 169,456.80 = 69,081.13 : x
  2. Step 2: Convert to fraction form
    122,796.10/169,456.80 = 69,081.13/x
  3. Step 3: Cross multiply
    122,796.10x = 169,456.80 × 69,081.13
  4. Step 4: Simplify right side
    122,796.10x = 11,706,267,230.18
  5. Step 5: Solve for x
    x = 11,706,267,230.18/122,796.10
  6. Step 6: Final answer
    x = 95,330.94

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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.