Home / 55,709.60-83,558.44-15,727.60

Finding the Fourth Proportional to 55,709.60, 83,558.44 and 15,727.60

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Solution

The fourth proportional to 55,709.60, 83,558.44 and 15,727.60 is: 23,589.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,709.60 : 83,558.44 = 15,727.60 : x
  2. Step 2: Convert to fraction form
    55,709.60/83,558.44 = 15,727.60/x
  3. Step 3: Cross multiply
    55,709.60x = 83,558.44 × 15,727.60
  4. Step 4: Simplify right side
    55,709.60x = 1,314,173,720.94
  5. Step 5: Solve for x
    x = 1,314,173,720.94/55,709.60
  6. Step 6: Final answer
    x = 23,589.72

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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.