Home / 57,121.08-85,684.82-17,675.12

Finding the Fourth Proportional to 57,121.08, 85,684.82 and 17,675.12

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Solution

The fourth proportional to 57,121.08, 85,684.82 and 17,675.12 is: 26,513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,121.08 : 85,684.82 = 17,675.12 : x
  2. Step 2: Convert to fraction form
    57,121.08/85,684.82 = 17,675.12/x
  3. Step 3: Cross multiply
    57,121.08x = 85,684.82 × 17,675.12
  4. Step 4: Simplify right side
    57,121.08x = 1,514,489,475.68
  5. Step 5: Solve for x
    x = 1,514,489,475.68/57,121.08
  6. Step 6: Final answer
    x = 26,513.67

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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.