Home / 69,668.38-96,143.07-37,837.90

Finding the Fourth Proportional to 69,668.38, 96,143.07 and 37,837.90

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Solution

The fourth proportional to 69,668.38, 96,143.07 and 37,837.90 is: 52,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,668.38 : 96,143.07 = 37,837.90 : x
  2. Step 2: Convert to fraction form
    69,668.38/96,143.07 = 37,837.90/x
  3. Step 3: Cross multiply
    69,668.38x = 96,143.07 × 37,837.90
  4. Step 4: Simplify right side
    69,668.38x = 3,637,851,868.35
  5. Step 5: Solve for x
    x = 3,637,851,868.35/69,668.38
  6. Step 6: Final answer
    x = 52,216.69

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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.