Home / 85,262.35-117,661.80-49,473.31

Finding the Fourth Proportional to 85,262.35, 117,661.80 and 49,473.31

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Solution

The fourth proportional to 85,262.35, 117,661.80 and 49,473.31 is: 68,273.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,262.35 : 117,661.80 = 49,473.31 : x
  2. Step 2: Convert to fraction form
    85,262.35/117,661.80 = 49,473.31/x
  3. Step 3: Cross multiply
    85,262.35x = 117,661.80 × 49,473.31
  4. Step 4: Simplify right side
    85,262.35x = 5,821,118,706.56
  5. Step 5: Solve for x
    x = 5,821,118,706.56/85,262.35
  6. Step 6: Final answer
    x = 68,273.03

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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.