Home / 67,721.04-101,580.48-18,473.04

Finding the Fourth Proportional to 67,721.04, 101,580.48 and 18,473.04

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Solution

The fourth proportional to 67,721.04, 101,580.48 and 18,473.04 is: 27,709.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,721.04 : 101,580.48 = 18,473.04 : x
  2. Step 2: Convert to fraction form
    67,721.04/101,580.48 = 18,473.04/x
  3. Step 3: Cross multiply
    67,721.04x = 101,580.48 × 18,473.04
  4. Step 4: Simplify right side
    67,721.04x = 1,876,500,270.26
  5. Step 5: Solve for x
    x = 1,876,500,270.26/67,721.04
  6. Step 6: Final answer
    x = 27,709.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.