Home / 71,916.71-107,890.64-27,543.47

Finding the Fourth Proportional to 71,916.71, 107,890.64 and 27,543.47

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Solution

The fourth proportional to 71,916.71, 107,890.64 and 27,543.47 is: 41,321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,916.71 : 107,890.64 = 27,543.47 : x
  2. Step 2: Convert to fraction form
    71,916.71/107,890.64 = 27,543.47/x
  3. Step 3: Cross multiply
    71,916.71x = 107,890.64 × 27,543.47
  4. Step 4: Simplify right side
    71,916.71x = 2,971,682,032.24
  5. Step 5: Solve for x
    x = 2,971,682,032.24/71,916.71
  6. Step 6: Final answer
    x = 41,321.16

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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.