Home / 85,335.88-117,763.32-49,546.84

Finding the Fourth Proportional to 85,335.88, 117,763.32 and 49,546.84

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Solution

The fourth proportional to 85,335.88, 117,763.32 and 49,546.84 is: 68,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,335.88 : 117,763.32 = 49,546.84 : x
  2. Step 2: Convert to fraction form
    85,335.88/117,763.32 = 49,546.84/x
  3. Step 3: Cross multiply
    85,335.88x = 117,763.32 × 49,546.84
  4. Step 4: Simplify right side
    85,335.88x = 5,834,800,373.91
  5. Step 5: Solve for x
    x = 5,834,800,373.91/85,335.88
  6. Step 6: Final answer
    x = 68,374.53

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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.