Home / 51,245.87-76,879.94-15,707.32

Finding the Fourth Proportional to 51,245.87, 76,879.94 and 15,707.32

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Solution

The fourth proportional to 51,245.87, 76,879.94 and 15,707.32 is: 23,564.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,245.87 : 76,879.94 = 15,707.32 : x
  2. Step 2: Convert to fraction form
    51,245.87/76,879.94 = 15,707.32/x
  3. Step 3: Cross multiply
    51,245.87x = 76,879.94 × 15,707.32
  4. Step 4: Simplify right side
    51,245.87x = 1,207,577,548.42
  5. Step 5: Solve for x
    x = 1,207,577,548.42/51,245.87
  6. Step 6: Final answer
    x = 23,564.39

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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.