Home / 117,704.40-162,435.27-63,993.12

Finding the Fourth Proportional to 117,704.40, 162,435.27 and 63,993.12

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Solution

The fourth proportional to 117,704.40, 162,435.27 and 63,993.12 is: 88,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,704.40 : 162,435.27 = 63,993.12 : x
  2. Step 2: Convert to fraction form
    117,704.40/162,435.27 = 63,993.12/x
  3. Step 3: Cross multiply
    117,704.40x = 162,435.27 × 63,993.12
  4. Step 4: Simplify right side
    117,704.40x = 10,394,739,725.34
  5. Step 5: Solve for x
    x = 10,394,739,725.34/117,704.40
  6. Step 6: Final answer
    x = 88,312.24

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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.