Home / 47,857.97-71,789.87-14,580.47

Finding the Fourth Proportional to 47,857.97, 71,789.87 and 14,580.47

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Solution

The fourth proportional to 47,857.97, 71,789.87 and 14,580.47 is: 21,871.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,857.97 : 71,789.87 = 14,580.47 : x
  2. Step 2: Convert to fraction form
    47,857.97/71,789.87 = 14,580.47/x
  3. Step 3: Cross multiply
    47,857.97x = 71,789.87 × 14,580.47
  4. Step 4: Simplify right side
    47,857.97x = 1,046,730,045.84
  5. Step 5: Solve for x
    x = 1,046,730,045.84/47,857.97
  6. Step 6: Final answer
    x = 21,871.59

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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.