Home / 77,863.98-116,771.67-51,208.50

Finding the Fourth Proportional to 77,863.98, 116,771.67 and 51,208.50

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Solution

The fourth proportional to 77,863.98, 116,771.67 and 51,208.50 is: 76,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,863.98 : 116,771.67 = 51,208.50 : x
  2. Step 2: Convert to fraction form
    77,863.98/116,771.67 = 51,208.50/x
  3. Step 3: Cross multiply
    77,863.98x = 116,771.67 × 51,208.50
  4. Step 4: Simplify right side
    77,863.98x = 5,979,702,063.20
  5. Step 5: Solve for x
    x = 5,979,702,063.20/77,863.98
  6. Step 6: Final answer
    x = 76,796.77

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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.