Home / 45,076.92-67,619-15,494.76

Finding the Fourth Proportional to 45,076.92, 67,619 and 15,494.76

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Solution

The fourth proportional to 45,076.92, 67,619 and 15,494.76 is: 23,243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,076.92 : 67,619 = 15,494.76 : x
  2. Step 2: Convert to fraction form
    45,076.92/67,619 = 15,494.76/x
  3. Step 3: Cross multiply
    45,076.92x = 67,619 × 15,494.76
  4. Step 4: Simplify right side
    45,076.92x = 1,047,740,176.44
  5. Step 5: Solve for x
    x = 1,047,740,176.44/45,076.92
  6. Step 6: Final answer
    x = 23,243.38

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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.