Home / 117,760.46-162,507.84-64,044.32

Finding the Fourth Proportional to 117,760.46, 162,507.84 and 64,044.32

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Solution

The fourth proportional to 117,760.46, 162,507.84 and 64,044.32 is: 88,380.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,760.46 : 162,507.84 = 64,044.32 : x
  2. Step 2: Convert to fraction form
    117,760.46/162,507.84 = 64,044.32/x
  3. Step 3: Cross multiply
    117,760.46x = 162,507.84 × 64,044.32
  4. Step 4: Simplify right side
    117,760.46x = 10,407,703,294.93
  5. Step 5: Solve for x
    x = 10,407,703,294.93/117,760.46
  6. Step 6: Final answer
    x = 88,380.29

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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.