Home / 57,220.26-85,814.01-19,770.54

Finding the Fourth Proportional to 57,220.26, 85,814.01 and 19,770.54

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Solution

The fourth proportional to 57,220.26, 85,814.01 and 19,770.54 is: 29,650.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,220.26 : 85,814.01 = 19,770.54 : x
  2. Step 2: Convert to fraction form
    57,220.26/85,814.01 = 19,770.54/x
  3. Step 3: Cross multiply
    57,220.26x = 85,814.01 × 19,770.54
  4. Step 4: Simplify right side
    57,220.26x = 1,696,589,317.27
  5. Step 5: Solve for x
    x = 1,696,589,317.27/57,220.26
  6. Step 6: Final answer
    x = 29,650.15

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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.