Home / 57,128.24-85,683.92-33,446.72

Finding the Fourth Proportional to 57,128.24, 85,683.92 and 33,446.72

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Solution

The fourth proportional to 57,128.24, 85,683.92 and 33,446.72 is: 50,165.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,128.24 : 85,683.92 = 33,446.72 : x
  2. Step 2: Convert to fraction form
    57,128.24/85,683.92 = 33,446.72/x
  3. Step 3: Cross multiply
    57,128.24x = 85,683.92 × 33,446.72
  4. Step 4: Simplify right side
    57,128.24x = 2,865,846,080.74
  5. Step 5: Solve for x
    x = 2,865,846,080.74/57,128.24
  6. Step 6: Final answer
    x = 50,165.14

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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.