Home / 122,568.98-169,145.85-68,856.26

Finding the Fourth Proportional to 122,568.98, 169,145.85 and 68,856.26

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Solution

The fourth proportional to 122,568.98, 169,145.85 and 68,856.26 is: 95,022.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,568.98 : 169,145.85 = 68,856.26 : x
  2. Step 2: Convert to fraction form
    122,568.98/169,145.85 = 68,856.26/x
  3. Step 3: Cross multiply
    122,568.98x = 169,145.85 × 68,856.26
  4. Step 4: Simplify right side
    122,568.98x = 11,646,750,625.52
  5. Step 5: Solve for x
    x = 11,646,750,625.52/122,568.98
  6. Step 6: Final answer
    x = 95,022.01

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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.