Home / 117,682.38-162,402.71-63,967.46

Finding the Fourth Proportional to 117,682.38, 162,402.71 and 63,967.46

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Solution

The fourth proportional to 117,682.38, 162,402.71 and 63,967.46 is: 88,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,682.38 : 162,402.71 = 63,967.46 : x
  2. Step 2: Convert to fraction form
    117,682.38/162,402.71 = 63,967.46/x
  3. Step 3: Cross multiply
    117,682.38x = 162,402.71 × 63,967.46
  4. Step 4: Simplify right side
    117,682.38x = 10,388,487,723.97
  5. Step 5: Solve for x
    x = 10,388,487,723.97/117,682.38
  6. Step 6: Final answer
    x = 88,275.64

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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.