Home / 117,593.46-162,272.84-63,878.40

Finding the Fourth Proportional to 117,593.46, 162,272.84 and 63,878.40

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Solution

The fourth proportional to 117,593.46, 162,272.84 and 63,878.40 is: 88,148.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,593.46 : 162,272.84 = 63,878.40 : x
  2. Step 2: Convert to fraction form
    117,593.46/162,272.84 = 63,878.40/x
  3. Step 3: Cross multiply
    117,593.46x = 162,272.84 × 63,878.40
  4. Step 4: Simplify right side
    117,593.46x = 10,365,729,063.26
  5. Step 5: Solve for x
    x = 10,365,729,063.26/117,593.46
  6. Step 6: Final answer
    x = 88,148.86

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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.