Home / 90,608.46-135,858.86-34,452.68

Finding the Fourth Proportional to 90,608.46, 135,858.86 and 34,452.68

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Solution

The fourth proportional to 90,608.46, 135,858.86 and 34,452.68 is: 51,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,608.46 : 135,858.86 = 34,452.68 : x
  2. Step 2: Convert to fraction form
    90,608.46/135,858.86 = 34,452.68/x
  3. Step 3: Cross multiply
    90,608.46x = 135,858.86 × 34,452.68
  4. Step 4: Simplify right side
    90,608.46x = 4,680,700,977.19
  5. Step 5: Solve for x
    x = 4,680,700,977.19/90,608.46
  6. Step 6: Final answer
    x = 51,658.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.