Home / 122,525.73-169,077.78-68,809.37

Finding the Fourth Proportional to 122,525.73, 169,077.78 and 68,809.37

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Solution

The fourth proportional to 122,525.73, 169,077.78 and 68,809.37 is: 94,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,525.73 : 169,077.78 = 68,809.37 : x
  2. Step 2: Convert to fraction form
    122,525.73/169,077.78 = 68,809.37/x
  3. Step 3: Cross multiply
    122,525.73x = 169,077.78 × 68,809.37
  4. Step 4: Simplify right side
    122,525.73x = 11,634,134,677.41
  5. Step 5: Solve for x
    x = 11,634,134,677.41/122,525.73
  6. Step 6: Final answer
    x = 94,952.58

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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.