Home / 53,786.15-74,219.20-29,908.97

Finding the Fourth Proportional to 53,786.15, 74,219.20 and 29,908.97

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Solution

The fourth proportional to 53,786.15, 74,219.20 and 29,908.97 is: 41,271.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,786.15 : 74,219.20 = 29,908.97 : x
  2. Step 2: Convert to fraction form
    53,786.15/74,219.20 = 29,908.97/x
  3. Step 3: Cross multiply
    53,786.15x = 74,219.20 × 29,908.97
  4. Step 4: Simplify right side
    53,786.15x = 2,219,819,380.36
  5. Step 5: Solve for x
    x = 2,219,819,380.36/53,786.15
  6. Step 6: Final answer
    x = 41,271.21

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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.