Home / 122,924.78-169,625.86-75,168.90

Finding the Fourth Proportional to 122,924.78, 169,625.86 and 75,168.90

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Solution

The fourth proportional to 122,924.78, 169,625.86 and 75,168.90 is: 103,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,924.78 : 169,625.86 = 75,168.90 : x
  2. Step 2: Convert to fraction form
    122,924.78/169,625.86 = 75,168.90/x
  3. Step 3: Cross multiply
    122,924.78x = 169,625.86 × 75,168.90
  4. Step 4: Simplify right side
    122,924.78x = 12,750,589,307.75
  5. Step 5: Solve for x
    x = 12,750,589,307.75/122,924.78
  6. Step 6: Final answer
    x = 103,726.76

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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.