Home / 47,710.76-71,601.68-18,186.26

Finding the Fourth Proportional to 47,710.76, 71,601.68 and 18,186.26

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Solution

The fourth proportional to 47,710.76, 71,601.68 and 18,186.26 is: 27,292.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,710.76 : 71,601.68 = 18,186.26 : x
  2. Step 2: Convert to fraction form
    47,710.76/71,601.68 = 18,186.26/x
  3. Step 3: Cross multiply
    47,710.76x = 71,601.68 × 18,186.26
  4. Step 4: Simplify right side
    47,710.76x = 1,302,166,993.39
  5. Step 5: Solve for x
    x = 1,302,166,993.39/47,710.76
  6. Step 6: Final answer
    x = 27,292.94

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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.