Home / 57,196.20-85,805.76-19,757.64

Finding the Fourth Proportional to 57,196.20, 85,805.76 and 19,757.64

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Solution

The fourth proportional to 57,196.20, 85,805.76 and 19,757.64 is: 29,640.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,196.20 : 85,805.76 = 19,757.64 : x
  2. Step 2: Convert to fraction form
    57,196.20/85,805.76 = 19,757.64/x
  3. Step 3: Cross multiply
    57,196.20x = 85,805.76 × 19,757.64
  4. Step 4: Simplify right side
    57,196.20x = 1,695,319,316.01
  5. Step 5: Solve for x
    x = 1,695,319,316.01/57,196.20
  6. Step 6: Final answer
    x = 29,640.42

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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.