Home / 117,577.50-162,257.43-63,863.42

Finding the Fourth Proportional to 117,577.50, 162,257.43 and 63,863.42

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Solution

The fourth proportional to 117,577.50, 162,257.43 and 63,863.42 is: 88,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,577.50 : 162,257.43 = 63,863.42 : x
  2. Step 2: Convert to fraction form
    117,577.50/162,257.43 = 63,863.42/x
  3. Step 3: Cross multiply
    117,577.50x = 162,257.43 × 63,863.42
  4. Step 4: Simplify right side
    117,577.50x = 10,362,313,588.92
  5. Step 5: Solve for x
    x = 10,362,313,588.92/117,577.50
  6. Step 6: Final answer
    x = 88,131.77

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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.