Home / 97,982.26-135,211.58-57,697.72

Finding the Fourth Proportional to 97,982.26, 135,211.58 and 57,697.72

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Solution

The fourth proportional to 97,982.26, 135,211.58 and 57,697.72 is: 79,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,982.26 : 135,211.58 = 57,697.72 : x
  2. Step 2: Convert to fraction form
    97,982.26/135,211.58 = 57,697.72/x
  3. Step 3: Cross multiply
    97,982.26x = 135,211.58 × 57,697.72
  4. Step 4: Simplify right side
    97,982.26x = 7,801,399,473.45
  5. Step 5: Solve for x
    x = 7,801,399,473.45/97,982.26
  6. Step 6: Final answer
    x = 79,620.53

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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.