Home / 53,168.10-79,760.21-18,099.56

Finding the Fourth Proportional to 53,168.10, 79,760.21 and 18,099.56

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Solution

The fourth proportional to 53,168.10, 79,760.21 and 18,099.56 is: 27,152.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,168.10 : 79,760.21 = 18,099.56 : x
  2. Step 2: Convert to fraction form
    53,168.10/79,760.21 = 18,099.56/x
  3. Step 3: Cross multiply
    53,168.10x = 79,760.21 × 18,099.56
  4. Step 4: Simplify right side
    53,168.10x = 1,443,624,217.21
  5. Step 5: Solve for x
    x = 1,443,624,217.21/53,168.10
  6. Step 6: Final answer
    x = 27,152.07

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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.