Home / 117,491.36-162,137.54-63,775.94

Finding the Fourth Proportional to 117,491.36, 162,137.54 and 63,775.94

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Solution

The fourth proportional to 117,491.36, 162,137.54 and 63,775.94 is: 88,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,491.36 : 162,137.54 = 63,775.94 : x
  2. Step 2: Convert to fraction form
    117,491.36/162,137.54 = 63,775.94/x
  3. Step 3: Cross multiply
    117,491.36x = 162,137.54 × 63,775.94
  4. Step 4: Simplify right side
    117,491.36x = 10,340,474,022.79
  5. Step 5: Solve for x
    x = 10,340,474,022.79/117,491.36
  6. Step 6: Final answer
    x = 88,010.51

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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.