Home / 97,996.85-135,217.88-65,778.24

Finding the Fourth Proportional to 97,996.85, 135,217.88 and 65,778.24

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Solution

The fourth proportional to 97,996.85, 135,217.88 and 65,778.24 is: 90,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,996.85 : 135,217.88 = 65,778.24 : x
  2. Step 2: Convert to fraction form
    97,996.85/135,217.88 = 65,778.24/x
  3. Step 3: Cross multiply
    97,996.85x = 135,217.88 × 65,778.24
  4. Step 4: Simplify right side
    97,996.85x = 8,894,394,202.33
  5. Step 5: Solve for x
    x = 8,894,394,202.33/97,996.85
  6. Step 6: Final answer
    x = 90,762.04

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1.5x scale

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.