Home / 77,676.30-116,433.64-52,718.37

Finding the Fourth Proportional to 77,676.30, 116,433.64 and 52,718.37

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Solution

The fourth proportional to 77,676.30, 116,433.64 and 52,718.37 is: 79,022.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,676.30 : 116,433.64 = 52,718.37 : x
  2. Step 2: Convert to fraction form
    77,676.30/116,433.64 = 52,718.37/x
  3. Step 3: Cross multiply
    77,676.30x = 116,433.64 × 52,718.37
  4. Step 4: Simplify right side
    77,676.30x = 6,138,191,713.97
  5. Step 5: Solve for x
    x = 6,138,191,713.97/77,676.30
  6. Step 6: Final answer
    x = 79,022.71

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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.