Home / 55,105.65-82,648.35-25,112.97

Finding the Fourth Proportional to 55,105.65, 82,648.35 and 25,112.97

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Solution

The fourth proportional to 55,105.65, 82,648.35 and 25,112.97 is: 37,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,105.65 : 82,648.35 = 25,112.97 : x
  2. Step 2: Convert to fraction form
    55,105.65/82,648.35 = 25,112.97/x
  3. Step 3: Cross multiply
    55,105.65x = 82,648.35 × 25,112.97
  4. Step 4: Simplify right side
    55,105.65x = 2,075,545,534.10
  5. Step 5: Solve for x
    x = 2,075,545,534.10/55,105.65
  6. Step 6: Final answer
    x = 37,664.84

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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.