Home / 71,721.74-98,967.36-41,516.54

Finding the Fourth Proportional to 71,721.74, 98,967.36 and 41,516.54

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Solution

The fourth proportional to 71,721.74, 98,967.36 and 41,516.54 is: 57,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,721.74 : 98,967.36 = 41,516.54 : x
  2. Step 2: Convert to fraction form
    71,721.74/98,967.36 = 41,516.54/x
  3. Step 3: Cross multiply
    71,721.74x = 98,967.36 × 41,516.54
  4. Step 4: Simplify right side
    71,721.74x = 4,108,781,865.30
  5. Step 5: Solve for x
    x = 4,108,781,865.30/71,721.74
  6. Step 6: Final answer
    x = 57,287.82

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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.