Home / 69,904-96,467.72-38,072.92

Finding the Fourth Proportional to 69,904, 96,467.72 and 38,072.92

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Solution

The fourth proportional to 69,904, 96,467.72 and 38,072.92 is: 52,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,904 : 96,467.72 = 38,072.92 : x
  2. Step 2: Convert to fraction form
    69,904/96,467.72 = 38,072.92/x
  3. Step 3: Cross multiply
    69,904x = 96,467.72 × 38,072.92
  4. Step 4: Simplify right side
    69,904x = 3,672,807,786.14
  5. Step 5: Solve for x
    x = 3,672,807,786.14/69,904
  6. Step 6: Final answer
    x = 52,540.74

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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.