Home / 47,182.68-70,774.02-12,122.37

Finding the Fourth Proportional to 47,182.68, 70,774.02 and 12,122.37

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Solution

The fourth proportional to 47,182.68, 70,774.02 and 12,122.37 is: 18,183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,182.68 : 70,774.02 = 12,122.37 : x
  2. Step 2: Convert to fraction form
    47,182.68/70,774.02 = 12,122.37/x
  3. Step 3: Cross multiply
    47,182.68x = 70,774.02 × 12,122.37
  4. Step 4: Simplify right side
    47,182.68x = 857,948,856.83
  5. Step 5: Solve for x
    x = 857,948,856.83/47,182.68
  6. Step 6: Final answer
    x = 18,183.56

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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.