Home / 77,576.98-116,135.83-47,899.39

Finding the Fourth Proportional to 77,576.98, 116,135.83 and 47,899.39

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Solution

The fourth proportional to 77,576.98, 116,135.83 and 47,899.39 is: 71,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,576.98 : 116,135.83 = 47,899.39 : x
  2. Step 2: Convert to fraction form
    77,576.98/116,135.83 = 47,899.39/x
  3. Step 3: Cross multiply
    77,576.98x = 116,135.83 × 47,899.39
  4. Step 4: Simplify right side
    77,576.98x = 5,562,835,414.14
  5. Step 5: Solve for x
    x = 5,562,835,414.14/77,576.98
  6. Step 6: Final answer
    x = 71,707.30

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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.