Home / 52,020.50-78,028.92-14,580.27

Finding the Fourth Proportional to 52,020.50, 78,028.92 and 14,580.27

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Solution

The fourth proportional to 52,020.50, 78,028.92 and 14,580.27 is: 21,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,020.50 : 78,028.92 = 14,580.27 : x
  2. Step 2: Convert to fraction form
    52,020.50/78,028.92 = 14,580.27/x
  3. Step 3: Cross multiply
    52,020.50x = 78,028.92 × 14,580.27
  4. Step 4: Simplify right side
    52,020.50x = 1,137,682,721.41
  5. Step 5: Solve for x
    x = 1,137,682,721.41/52,020.50
  6. Step 6: Final answer
    x = 21,869.89

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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.