Home / 51,819.87-77,771.69-26,867.06

Finding the Fourth Proportional to 51,819.87, 77,771.69 and 26,867.06

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Solution

The fourth proportional to 51,819.87, 77,771.69 and 26,867.06 is: 40,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,819.87 : 77,771.69 = 26,867.06 : x
  2. Step 2: Convert to fraction form
    51,819.87/77,771.69 = 26,867.06/x
  3. Step 3: Cross multiply
    51,819.87x = 77,771.69 × 26,867.06
  4. Step 4: Simplify right side
    51,819.87x = 2,089,496,138.34
  5. Step 5: Solve for x
    x = 2,089,496,138.34/51,819.87
  6. Step 6: Final answer
    x = 40,322.30

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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.