Home / 52,562.70-78,857.37-15,121.98

Finding the Fourth Proportional to 52,562.70, 78,857.37 and 15,121.98

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Solution

The fourth proportional to 52,562.70, 78,857.37 and 15,121.98 is: 22,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,562.70 : 78,857.37 = 15,121.98 : x
  2. Step 2: Convert to fraction form
    52,562.70/78,857.37 = 15,121.98/x
  3. Step 3: Cross multiply
    52,562.70x = 78,857.37 × 15,121.98
  4. Step 4: Simplify right side
    52,562.70x = 1,192,479,571.99
  5. Step 5: Solve for x
    x = 1,192,479,571.99/52,562.70
  6. Step 6: Final answer
    x = 22,686.80

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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.