Home / 117,795.68-162,557.91-64,080.56

Finding the Fourth Proportional to 117,795.68, 162,557.91 and 64,080.56

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Solution

The fourth proportional to 117,795.68, 162,557.91 and 64,080.56 is: 88,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,795.68 : 162,557.91 = 64,080.56 : x
  2. Step 2: Convert to fraction form
    117,795.68/162,557.91 = 64,080.56/x
  3. Step 3: Cross multiply
    117,795.68x = 162,557.91 × 64,080.56
  4. Step 4: Simplify right side
    117,795.68x = 10,416,801,092.44
  5. Step 5: Solve for x
    x = 10,416,801,092.44/117,795.68
  6. Step 6: Final answer
    x = 88,431.10

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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.