Home / 122,468.87-168,995.37-68,741.57

Finding the Fourth Proportional to 122,468.87, 168,995.37 and 68,741.57

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Solution

The fourth proportional to 122,468.87, 168,995.37 and 68,741.57 is: 94,856.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,468.87 : 168,995.37 = 68,741.57 : x
  2. Step 2: Convert to fraction form
    122,468.87/168,995.37 = 68,741.57/x
  3. Step 3: Cross multiply
    122,468.87x = 168,995.37 × 68,741.57
  4. Step 4: Simplify right side
    122,468.87x = 11,617,005,867.85
  5. Step 5: Solve for x
    x = 11,617,005,867.85/122,468.87
  6. Step 6: Final answer
    x = 94,856.81

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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.