Home / 117,476.85-162,118.22-63,761.88

Finding the Fourth Proportional to 117,476.85, 162,118.22 and 63,761.88

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Solution

The fourth proportional to 117,476.85, 162,118.22 and 63,761.88 is: 87,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,476.85 : 162,118.22 = 63,761.88 : x
  2. Step 2: Convert to fraction form
    117,476.85/162,118.22 = 63,761.88/x
  3. Step 3: Cross multiply
    117,476.85x = 162,118.22 × 63,761.88
  4. Step 4: Simplify right side
    117,476.85x = 10,336,962,489.45
  5. Step 5: Solve for x
    x = 10,336,962,489.45/117,476.85
  6. Step 6: Final answer
    x = 87,991.49

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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.