Home / 69,730.05-104,576.39-30,277.79

Finding the Fourth Proportional to 69,730.05, 104,576.39 and 30,277.79

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Solution

The fourth proportional to 69,730.05, 104,576.39 and 30,277.79 is: 45,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,730.05 : 104,576.39 = 30,277.79 : x
  2. Step 2: Convert to fraction form
    69,730.05/104,576.39 = 30,277.79/x
  3. Step 3: Cross multiply
    69,730.05x = 104,576.39 × 30,277.79
  4. Step 4: Simplify right side
    69,730.05x = 3,166,341,301.11
  5. Step 5: Solve for x
    x = 3,166,341,301.11/69,730.05
  6. Step 6: Final answer
    x = 45,408.56

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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.