Home / 90,609.48-135,967.68-34,496.82

Finding the Fourth Proportional to 90,609.48, 135,967.68 and 34,496.82

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Solution

The fourth proportional to 90,609.48, 135,967.68 and 34,496.82 is: 51,765.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,609.48 : 135,967.68 = 34,496.82 : x
  2. Step 2: Convert to fraction form
    90,609.48/135,967.68 = 34,496.82/x
  3. Step 3: Cross multiply
    90,609.48x = 135,967.68 × 34,496.82
  4. Step 4: Simplify right side
    90,609.48x = 4,690,452,582.78
  5. Step 5: Solve for x
    x = 4,690,452,582.78/90,609.48
  6. Step 6: Final answer
    x = 51,765.58

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1.5x scale

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.