Home / 70,774.02-106,161.03-18,183.56

Finding the Fourth Proportional to 70,774.02, 106,161.03 and 18,183.56

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Solution

The fourth proportional to 70,774.02, 106,161.03 and 18,183.56 is: 27,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,774.02 : 106,161.03 = 18,183.56 : x
  2. Step 2: Convert to fraction form
    70,774.02/106,161.03 = 18,183.56/x
  3. Step 3: Cross multiply
    70,774.02x = 106,161.03 × 18,183.56
  4. Step 4: Simplify right side
    70,774.02x = 1,930,384,927.86
  5. Step 5: Solve for x
    x = 1,930,384,927.86/70,774.02
  6. Step 6: Final answer
    x = 27,275.33

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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.