Home / 117,706.15-162,436.34-63,991.37

Finding the Fourth Proportional to 117,706.15, 162,436.34 and 63,991.37

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Solution

The fourth proportional to 117,706.15, 162,436.34 and 63,991.37 is: 88,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,706.15 : 162,436.34 = 63,991.37 : x
  2. Step 2: Convert to fraction form
    117,706.15/162,436.34 = 63,991.37/x
  3. Step 3: Cross multiply
    117,706.15x = 162,436.34 × 63,991.37
  4. Step 4: Simplify right side
    117,706.15x = 10,394,524,140.50
  5. Step 5: Solve for x
    x = 10,394,524,140.50/117,706.15
  6. Step 6: Final answer
    x = 88,309.10

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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.