Home / 117,845.92-162,625.68-64,853.92

Finding the Fourth Proportional to 117,845.92, 162,625.68 and 64,853.92

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Solution

The fourth proportional to 117,845.92, 162,625.68 and 64,853.92 is: 89,497.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,845.92 : 162,625.68 = 64,853.92 : x
  2. Step 2: Convert to fraction form
    117,845.92/162,625.68 = 64,853.92/x
  3. Step 3: Cross multiply
    117,845.92x = 162,625.68 × 64,853.92
  4. Step 4: Simplify right side
    117,845.92x = 10,546,912,840.67
  5. Step 5: Solve for x
    x = 10,546,912,840.67/117,845.92
  6. Step 6: Final answer
    x = 89,497.48

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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.