Home / 85,759.62-118,351.96-49,943.86

Finding the Fourth Proportional to 85,759.62, 118,351.96 and 49,943.86

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Solution

The fourth proportional to 85,759.62, 118,351.96 and 49,943.86 is: 68,924.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,759.62 : 118,351.96 = 49,943.86 : x
  2. Step 2: Convert to fraction form
    85,759.62/118,351.96 = 49,943.86/x
  3. Step 3: Cross multiply
    85,759.62x = 118,351.96 × 49,943.86
  4. Step 4: Simplify right side
    85,759.62x = 5,910,953,720.97
  5. Step 5: Solve for x
    x = 5,910,953,720.97/85,759.62
  6. Step 6: Final answer
    x = 68,924.67

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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.