Home / 117,414.15-162,031.58-63,699.15

Finding the Fourth Proportional to 117,414.15, 162,031.58 and 63,699.15

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Solution

The fourth proportional to 117,414.15, 162,031.58 and 63,699.15 is: 87,904.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,414.15 : 162,031.58 = 63,699.15 : x
  2. Step 2: Convert to fraction form
    117,414.15/162,031.58 = 63,699.15/x
  3. Step 3: Cross multiply
    117,414.15x = 162,031.58 × 63,699.15
  4. Step 4: Simplify right side
    117,414.15x = 10,321,273,919.16
  5. Step 5: Solve for x
    x = 10,321,273,919.16/117,414.15
  6. Step 6: Final answer
    x = 87,904.86

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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.