Home / 117,793.08-162,552.78-64,078.50

Finding the Fourth Proportional to 117,793.08, 162,552.78 and 64,078.50

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Solution

The fourth proportional to 117,793.08, 162,552.78 and 64,078.50 is: 88,427.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,793.08 : 162,552.78 = 64,078.50 : x
  2. Step 2: Convert to fraction form
    117,793.08/162,552.78 = 64,078.50/x
  3. Step 3: Cross multiply
    117,793.08x = 162,552.78 × 64,078.50
  4. Step 4: Simplify right side
    117,793.08x = 10,416,138,313.23
  5. Step 5: Solve for x
    x = 10,416,138,313.23/117,793.08
  6. Step 6: Final answer
    x = 88,427.42

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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.