Home / 122,559.51-169,132.22-68,844.57

Finding the Fourth Proportional to 122,559.51, 169,132.22 and 68,844.57

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Solution

The fourth proportional to 122,559.51, 169,132.22 and 68,844.57 is: 95,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,559.51 : 169,132.22 = 68,844.57 : x
  2. Step 2: Convert to fraction form
    122,559.51/169,132.22 = 68,844.57/x
  3. Step 3: Cross multiply
    122,559.51x = 169,132.22 × 68,844.57
  4. Step 4: Simplify right side
    122,559.51x = 11,643,834,959.05
  5. Step 5: Solve for x
    x = 11,643,834,959.05/122,559.51
  6. Step 6: Final answer
    x = 95,005.56

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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.