Home / 55,518.24-83,291.88-16,078.40

Finding the Fourth Proportional to 55,518.24, 83,291.88 and 16,078.40

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Solution

The fourth proportional to 55,518.24, 83,291.88 and 16,078.40 is: 24,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,518.24 : 83,291.88 = 16,078.40 : x
  2. Step 2: Convert to fraction form
    55,518.24/83,291.88 = 16,078.40/x
  3. Step 3: Cross multiply
    55,518.24x = 83,291.88 × 16,078.40
  4. Step 4: Simplify right side
    55,518.24x = 1,339,200,163.39
  5. Step 5: Solve for x
    x = 1,339,200,163.39/55,518.24
  6. Step 6: Final answer
    x = 24,121.81

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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.