Home / 122,476.08-169,003.92-68,767

Finding the Fourth Proportional to 122,476.08, 169,003.92 and 68,767

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Solution

The fourth proportional to 122,476.08, 169,003.92 and 68,767 is: 94,891.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,476.08 : 169,003.92 = 68,767 : x
  2. Step 2: Convert to fraction form
    122,476.08/169,003.92 = 68,767/x
  3. Step 3: Cross multiply
    122,476.08x = 169,003.92 × 68,767
  4. Step 4: Simplify right side
    122,476.08x = 11,621,892,566.64
  5. Step 5: Solve for x
    x = 11,621,892,566.64/122,476.08
  6. Step 6: Final answer
    x = 94,891.12

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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.