Home / 117,908.75-162,713.84-64,193.30

Finding the Fourth Proportional to 117,908.75, 162,713.84 and 64,193.30

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Solution

The fourth proportional to 117,908.75, 162,713.84 and 64,193.30 is: 88,586.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,908.75 : 162,713.84 = 64,193.30 : x
  2. Step 2: Convert to fraction form
    117,908.75/162,713.84 = 64,193.30/x
  3. Step 3: Cross multiply
    117,908.75x = 162,713.84 × 64,193.30
  4. Step 4: Simplify right side
    117,908.75x = 10,445,138,431.09
  5. Step 5: Solve for x
    x = 10,445,138,431.09/117,908.75
  6. Step 6: Final answer
    x = 88,586.62

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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.