Home / 45,099.05-67,649.78-15,516.43

Finding the Fourth Proportional to 45,099.05, 67,649.78 and 15,516.43

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Solution

The fourth proportional to 45,099.05, 67,649.78 and 15,516.43 is: 23,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,099.05 : 67,649.78 = 15,516.43 : x
  2. Step 2: Convert to fraction form
    45,099.05/67,649.78 = 15,516.43/x
  3. Step 3: Cross multiply
    45,099.05x = 67,649.78 × 15,516.43
  4. Step 4: Simplify right side
    45,099.05x = 1,049,682,945.55
  5. Step 5: Solve for x
    x = 1,049,682,945.55/45,099.05
  6. Step 6: Final answer
    x = 23,275.06

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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.