Home / 57,128.27-85,700.37-23,840.70

Finding the Fourth Proportional to 57,128.27, 85,700.37 and 23,840.70

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Solution

The fourth proportional to 57,128.27, 85,700.37 and 23,840.70 is: 35,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,128.27 : 85,700.37 = 23,840.70 : x
  2. Step 2: Convert to fraction form
    57,128.27/85,700.37 = 23,840.70/x
  3. Step 3: Cross multiply
    57,128.27x = 85,700.37 × 23,840.70
  4. Step 4: Simplify right side
    57,128.27x = 2,043,157,221.84
  5. Step 5: Solve for x
    x = 2,043,157,221.84/57,128.27
  6. Step 6: Final answer
    x = 35,764.38

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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.