Home / 54,803.60-82,205.40-53,163.35

Finding the Fourth Proportional to 54,803.60, 82,205.40 and 53,163.35

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Solution

The fourth proportional to 54,803.60, 82,205.40 and 53,163.35 is: 79,745.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,803.60 : 82,205.40 = 53,163.35 : x
  2. Step 2: Convert to fraction form
    54,803.60/82,205.40 = 53,163.35/x
  3. Step 3: Cross multiply
    54,803.60x = 82,205.40 × 53,163.35
  4. Step 4: Simplify right side
    54,803.60x = 4,370,314,452.09
  5. Step 5: Solve for x
    x = 4,370,314,452.09/54,803.60
  6. Step 6: Final answer
    x = 79,745.03

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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.