Home / 47,991.79-66,217.40-29,125.27

Finding the Fourth Proportional to 47,991.79, 66,217.40 and 29,125.27

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Solution

The fourth proportional to 47,991.79, 66,217.40 and 29,125.27 is: 40,186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,991.79 : 66,217.40 = 29,125.27 : x
  2. Step 2: Convert to fraction form
    47,991.79/66,217.40 = 29,125.27/x
  3. Step 3: Cross multiply
    47,991.79x = 66,217.40 × 29,125.27
  4. Step 4: Simplify right side
    47,991.79x = 1,928,599,508.07
  5. Step 5: Solve for x
    x = 1,928,599,508.07/47,991.79
  6. Step 6: Final answer
    x = 40,186.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.