Home / 114,932.80-172,029.84-61,491.44

Finding the Fourth Proportional to 114,932.80, 172,029.84 and 61,491.44

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Solution

The fourth proportional to 114,932.80, 172,029.84 and 61,491.44 is: 92,039.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,932.80 : 172,029.84 = 61,491.44 : x
  2. Step 2: Convert to fraction form
    114,932.80/172,029.84 = 61,491.44/x
  3. Step 3: Cross multiply
    114,932.80x = 172,029.84 × 61,491.44
  4. Step 4: Simplify right side
    114,932.80x = 10,578,362,584.57
  5. Step 5: Solve for x
    x = 10,578,362,584.57/114,932.80
  6. Step 6: Final answer
    x = 92,039.54

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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.