Home / 69,721.26-96,214.08-37,890.27

Finding the Fourth Proportional to 69,721.26, 96,214.08 and 37,890.27

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Solution

The fourth proportional to 69,721.26, 96,214.08 and 37,890.27 is: 52,287.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,721.26 : 96,214.08 = 37,890.27 : x
  2. Step 2: Convert to fraction form
    69,721.26/96,214.08 = 37,890.27/x
  3. Step 3: Cross multiply
    69,721.26x = 96,214.08 × 37,890.27
  4. Step 4: Simplify right side
    69,721.26x = 3,645,577,469.00
  5. Step 5: Solve for x
    x = 3,645,577,469.00/69,721.26
  6. Step 6: Final answer
    x = 52,287.89

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1.5x scale

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.