Home / 97,847.28-135,021.60-57,562.56

Finding the Fourth Proportional to 97,847.28, 135,021.60 and 57,562.56

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Solution

The fourth proportional to 97,847.28, 135,021.60 and 57,562.56 is: 79,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,847.28 : 135,021.60 = 57,562.56 : x
  2. Step 2: Convert to fraction form
    97,847.28/135,021.60 = 57,562.56/x
  3. Step 3: Cross multiply
    97,847.28x = 135,021.60 × 57,562.56
  4. Step 4: Simplify right side
    97,847.28x = 7,772,188,951.30
  5. Step 5: Solve for x
    x = 7,772,188,951.30/97,847.28
  6. Step 6: Final answer
    x = 79,431.83

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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.