Home / 47,806.25-71,706.64-18,227.08

Finding the Fourth Proportional to 47,806.25, 71,706.64 and 18,227.08

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Solution

The fourth proportional to 47,806.25, 71,706.64 and 18,227.08 is: 27,339.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,806.25 : 71,706.64 = 18,227.08 : x
  2. Step 2: Convert to fraction form
    47,806.25/71,706.64 = 18,227.08/x
  3. Step 3: Cross multiply
    47,806.25x = 71,706.64 × 18,227.08
  4. Step 4: Simplify right side
    47,806.25x = 1,307,002,663.81
  5. Step 5: Solve for x
    x = 1,307,002,663.81/47,806.25
  6. Step 6: Final answer
    x = 27,339.58

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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.