Home / 51,176.88-76,716-26,228.64

Finding the Fourth Proportional to 51,176.88, 76,716 and 26,228.64

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Solution

The fourth proportional to 51,176.88, 76,716 and 26,228.64 is: 39,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,176.88 : 76,716 = 26,228.64 : x
  2. Step 2: Convert to fraction form
    51,176.88/76,716 = 26,228.64/x
  3. Step 3: Cross multiply
    51,176.88x = 76,716 × 26,228.64
  4. Step 4: Simplify right side
    51,176.88x = 2,012,156,346.24
  5. Step 5: Solve for x
    x = 2,012,156,346.24/51,176.88
  6. Step 6: Final answer
    x = 39,317.68

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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.