Home / 55,305.94-82,986.59-25,320.12

Finding the Fourth Proportional to 55,305.94, 82,986.59 and 25,320.12

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Solution

The fourth proportional to 55,305.94, 82,986.59 and 25,320.12 is: 37,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,305.94 : 82,986.59 = 25,320.12 : x
  2. Step 2: Convert to fraction form
    55,305.94/82,986.59 = 25,320.12/x
  3. Step 3: Cross multiply
    55,305.94x = 82,986.59 × 25,320.12
  4. Step 4: Simplify right side
    55,305.94x = 2,101,230,033.91
  5. Step 5: Solve for x
    x = 2,101,230,033.91/55,305.94
  6. Step 6: Final answer
    x = 37,992.85

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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.