Home / 57,851.28-86,677.76-38,840.30

Finding the Fourth Proportional to 57,851.28, 86,677.76 and 38,840.30

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Solution

The fourth proportional to 57,851.28, 86,677.76 and 38,840.30 is: 58,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,851.28 : 86,677.76 = 38,840.30 : x
  2. Step 2: Convert to fraction form
    57,851.28/86,677.76 = 38,840.30/x
  3. Step 3: Cross multiply
    57,851.28x = 86,677.76 × 38,840.30
  4. Step 4: Simplify right side
    57,851.28x = 3,366,590,201.73
  5. Step 5: Solve for x
    x = 3,366,590,201.73/57,851.28
  6. Step 6: Final answer
    x = 58,193.88

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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.