Home / 69,680.10-96,160.31-39,464.97

Finding the Fourth Proportional to 69,680.10, 96,160.31 and 39,464.97

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Solution

The fourth proportional to 69,680.10, 96,160.31 and 39,464.97 is: 54,462.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,680.10 : 96,160.31 = 39,464.97 : x
  2. Step 2: Convert to fraction form
    69,680.10/96,160.31 = 39,464.97/x
  3. Step 3: Cross multiply
    69,680.10x = 96,160.31 × 39,464.97
  4. Step 4: Simplify right side
    69,680.10x = 3,794,964,102.30
  5. Step 5: Solve for x
    x = 3,794,964,102.30/69,680.10
  6. Step 6: Final answer
    x = 54,462.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.