Home / 55,786.32-83,675.25-18,347.61

Finding the Fourth Proportional to 55,786.32, 83,675.25 and 18,347.61

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Solution

The fourth proportional to 55,786.32, 83,675.25 and 18,347.61 is: 27,520.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,786.32 : 83,675.25 = 18,347.61 : x
  2. Step 2: Convert to fraction form
    55,786.32/83,675.25 = 18,347.61/x
  3. Step 3: Cross multiply
    55,786.32x = 83,675.25 × 18,347.61
  4. Step 4: Simplify right side
    55,786.32x = 1,535,240,853.65
  5. Step 5: Solve for x
    x = 1,535,240,853.65/55,786.32
  6. Step 6: Final answer
    x = 27,520.02

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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.