Home / 117,634.93-162,335.85-63,920.11

Finding the Fourth Proportional to 117,634.93, 162,335.85 and 63,920.11

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Solution

The fourth proportional to 117,634.93, 162,335.85 and 63,920.11 is: 88,209.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,634.93 : 162,335.85 = 63,920.11 : x
  2. Step 2: Convert to fraction form
    117,634.93/162,335.85 = 63,920.11/x
  3. Step 3: Cross multiply
    117,634.93x = 162,335.85 × 63,920.11
  4. Step 4: Simplify right side
    117,634.93x = 10,376,525,388.94
  5. Step 5: Solve for x
    x = 10,376,525,388.94/117,634.93
  6. Step 6: Final answer
    x = 88,209.56

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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.