Home / 57,747.54-86,634.27-18,307.02

Finding the Fourth Proportional to 57,747.54, 86,634.27 and 18,307.02

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Solution

The fourth proportional to 57,747.54, 86,634.27 and 18,307.02 is: 27,464.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,747.54 : 86,634.27 = 18,307.02 : x
  2. Step 2: Convert to fraction form
    57,747.54/86,634.27 = 18,307.02/x
  3. Step 3: Cross multiply
    57,747.54x = 86,634.27 × 18,307.02
  4. Step 4: Simplify right side
    57,747.54x = 1,586,015,313.58
  5. Step 5: Solve for x
    x = 1,586,015,313.58/57,747.54
  6. Step 6: Final answer
    x = 27,464.64

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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.