Home / 97,847.67-134,999.19-54,821.43

Finding the Fourth Proportional to 97,847.67, 134,999.19 and 54,821.43

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Solution

The fourth proportional to 97,847.67, 134,999.19 and 54,821.43 is: 75,636.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,847.67 : 134,999.19 = 54,821.43 : x
  2. Step 2: Convert to fraction form
    97,847.67/134,999.19 = 54,821.43/x
  3. Step 3: Cross multiply
    97,847.67x = 134,999.19 × 54,821.43
  4. Step 4: Simplify right side
    97,847.67x = 7,400,848,644.64
  5. Step 5: Solve for x
    x = 7,400,848,644.64/97,847.67
  6. Step 6: Final answer
    x = 75,636.43

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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.