Home / 117,699.17-162,418.11-63,983.75

Finding the Fourth Proportional to 117,699.17, 162,418.11 and 63,983.75

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Solution

The fourth proportional to 117,699.17, 162,418.11 and 63,983.75 is: 88,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,699.17 : 162,418.11 = 63,983.75 : x
  2. Step 2: Convert to fraction form
    117,699.17/162,418.11 = 63,983.75/x
  3. Step 3: Cross multiply
    117,699.17x = 162,418.11 × 63,983.75
  4. Step 4: Simplify right side
    117,699.17x = 10,392,119,745.71
  5. Step 5: Solve for x
    x = 10,392,119,745.71/117,699.17
  6. Step 6: Final answer
    x = 88,293.91

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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.