Home / 55,208.58-82,815.51-15,768.42

Finding the Fourth Proportional to 55,208.58, 82,815.51 and 15,768.42

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Solution

The fourth proportional to 55,208.58, 82,815.51 and 15,768.42 is: 23,653.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,208.58 : 82,815.51 = 15,768.42 : x
  2. Step 2: Convert to fraction form
    55,208.58/82,815.51 = 15,768.42/x
  3. Step 3: Cross multiply
    55,208.58x = 82,815.51 × 15,768.42
  4. Step 4: Simplify right side
    55,208.58x = 1,305,869,744.19
  5. Step 5: Solve for x
    x = 1,305,869,744.19/55,208.58
  6. Step 6: Final answer
    x = 23,653.38

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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.