Home / 56,727.54-78,282.90-35,518.50

Finding the Fourth Proportional to 56,727.54, 78,282.90 and 35,518.50

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Solution

The fourth proportional to 56,727.54, 78,282.90 and 35,518.50 is: 49,014.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,727.54 : 78,282.90 = 35,518.50 : x
  2. Step 2: Convert to fraction form
    56,727.54/78,282.90 = 35,518.50/x
  3. Step 3: Cross multiply
    56,727.54x = 78,282.90 × 35,518.50
  4. Step 4: Simplify right side
    56,727.54x = 2,780,491,183.65
  5. Step 5: Solve for x
    x = 2,780,491,183.65/56,727.54
  6. Step 6: Final answer
    x = 49,014.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.