Home / 57,301.12-85,913.56-29,231.36

Finding the Fourth Proportional to 57,301.12, 85,913.56 and 29,231.36

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Solution

The fourth proportional to 57,301.12, 85,913.56 and 29,231.36 is: 43,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,301.12 : 85,913.56 = 29,231.36 : x
  2. Step 2: Convert to fraction form
    57,301.12/85,913.56 = 29,231.36/x
  3. Step 3: Cross multiply
    57,301.12x = 85,913.56 × 29,231.36
  4. Step 4: Simplify right side
    57,301.12x = 2,511,370,201.24
  5. Step 5: Solve for x
    x = 2,511,370,201.24/57,301.12
  6. Step 6: Final answer
    x = 43,827.59

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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.