Home / 69,903.91-96,467.38-38,072.81

Finding the Fourth Proportional to 69,903.91, 96,467.38 and 38,072.81

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Solution

The fourth proportional to 69,903.91, 96,467.38 and 38,072.81 is: 52,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,903.91 : 96,467.38 = 38,072.81 : x
  2. Step 2: Convert to fraction form
    69,903.91/96,467.38 = 38,072.81/x
  3. Step 3: Cross multiply
    69,903.91x = 96,467.38 × 38,072.81
  4. Step 4: Simplify right side
    69,903.91x = 3,672,784,211.69
  5. Step 5: Solve for x
    x = 3,672,784,211.69/69,903.91
  6. Step 6: Final answer
    x = 52,540.47

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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.