Home / 51,515.78-77,303.43-27,823.77

Finding the Fourth Proportional to 51,515.78, 77,303.43 and 27,823.77

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Solution

The fourth proportional to 51,515.78, 77,303.43 and 27,823.77 is: 41,751.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,515.78 : 77,303.43 = 27,823.77 : x
  2. Step 2: Convert to fraction form
    51,515.78/77,303.43 = 27,823.77/x
  3. Step 3: Cross multiply
    51,515.78x = 77,303.43 × 27,823.77
  4. Step 4: Simplify right side
    51,515.78x = 2,150,872,856.53
  5. Step 5: Solve for x
    x = 2,150,872,856.53/51,515.78
  6. Step 6: Final answer
    x = 41,751.73

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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.