Home / 117,680.19-162,399.74-63,965.33

Finding the Fourth Proportional to 117,680.19, 162,399.74 and 63,965.33

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Solution

The fourth proportional to 117,680.19, 162,399.74 and 63,965.33 is: 88,272.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,680.19 : 162,399.74 = 63,965.33 : x
  2. Step 2: Convert to fraction form
    117,680.19/162,399.74 = 63,965.33/x
  3. Step 3: Cross multiply
    117,680.19x = 162,399.74 × 63,965.33
  4. Step 4: Simplify right side
    117,680.19x = 10,387,952,961.01
  5. Step 5: Solve for x
    x = 10,387,952,961.01/117,680.19
  6. Step 6: Final answer
    x = 88,272.74

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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.