Home / 69,942.75-96,521.04-38,111.64

Finding the Fourth Proportional to 69,942.75, 96,521.04 and 38,111.64

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Solution

The fourth proportional to 69,942.75, 96,521.04 and 38,111.64 is: 52,594.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,942.75 : 96,521.04 = 38,111.64 : x
  2. Step 2: Convert to fraction form
    69,942.75/96,521.04 = 38,111.64/x
  3. Step 3: Cross multiply
    69,942.75x = 96,521.04 × 38,111.64
  4. Step 4: Simplify right side
    69,942.75x = 3,678,575,128.91
  5. Step 5: Solve for x
    x = 3,678,575,128.91/69,942.75
  6. Step 6: Final answer
    x = 52,594.09

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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.