Home / 55,056.21-82,578.69-15,078.75

Finding the Fourth Proportional to 55,056.21, 82,578.69 and 15,078.75

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Solution

The fourth proportional to 55,056.21, 82,578.69 and 15,078.75 is: 22,616.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,056.21 : 82,578.69 = 15,078.75 : x
  2. Step 2: Convert to fraction form
    55,056.21/82,578.69 = 15,078.75/x
  3. Step 3: Cross multiply
    55,056.21x = 82,578.69 × 15,078.75
  4. Step 4: Simplify right side
    55,056.21x = 1,245,183,421.84
  5. Step 5: Solve for x
    x = 1,245,183,421.84/55,056.21
  6. Step 6: Final answer
    x = 22,616.58

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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.