Home / 55,853.35-83,762.25-18,406.44

Finding the Fourth Proportional to 55,853.35, 83,762.25 and 18,406.44

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Solution

The fourth proportional to 55,853.35, 83,762.25 and 18,406.44 is: 27,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,853.35 : 83,762.25 = 18,406.44 : x
  2. Step 2: Convert to fraction form
    55,853.35/83,762.25 = 18,406.44/x
  3. Step 3: Cross multiply
    55,853.35x = 83,762.25 × 18,406.44
  4. Step 4: Simplify right side
    55,853.35x = 1,541,764,863.40
  5. Step 5: Solve for x
    x = 1,541,764,863.40/55,853.35
  6. Step 6: Final answer
    x = 27,603.80

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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.