Home / 51,043.21-76,558.73-13,606.09

Finding the Fourth Proportional to 51,043.21, 76,558.73 and 13,606.09

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Solution

The fourth proportional to 51,043.21, 76,558.73 and 13,606.09 is: 20,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,043.21 : 76,558.73 = 13,606.09 : x
  2. Step 2: Convert to fraction form
    51,043.21/76,558.73 = 13,606.09/x
  3. Step 3: Cross multiply
    51,043.21x = 76,558.73 × 13,606.09
  4. Step 4: Simplify right side
    51,043.21x = 1,041,664,587.87
  5. Step 5: Solve for x
    x = 1,041,664,587.87/51,043.21
  6. Step 6: Final answer
    x = 20,407.51

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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.