Home / 55,123.00-82,669.21-15,132.35

Finding the Fourth Proportional to 55,123.00, 82,669.21 and 15,132.35

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Solution

The fourth proportional to 55,123.00, 82,669.21 and 15,132.35 is: 22,694.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,123.00 : 82,669.21 = 15,132.35 : x
  2. Step 2: Convert to fraction form
    55,123.00/82,669.21 = 15,132.35/x
  3. Step 3: Cross multiply
    55,123.00x = 82,669.21 × 15,132.35
  4. Step 4: Simplify right side
    55,123.00x = 1,250,979,588.79
  5. Step 5: Solve for x
    x = 1,250,979,588.79/55,123.00
  6. Step 6: Final answer
    x = 22,694.33

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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.