Home / 57,120.52-85,683.96-17,674.55

Finding the Fourth Proportional to 57,120.52, 85,683.96 and 17,674.55

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Solution

The fourth proportional to 57,120.52, 85,683.96 and 17,674.55 is: 26,512.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,120.52 : 85,683.96 = 17,674.55 : x
  2. Step 2: Convert to fraction form
    57,120.52/85,683.96 = 17,674.55/x
  3. Step 3: Cross multiply
    57,120.52x = 85,683.96 × 17,674.55
  4. Step 4: Simplify right side
    57,120.52x = 1,514,425,435.22
  5. Step 5: Solve for x
    x = 1,514,425,435.22/57,120.52
  6. Step 6: Final answer
    x = 26,512.81

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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.