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Finding the Fourth Proportional to 62,343, 86,033.82 and 34,048.70

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Solution

The fourth proportional to 62,343, 86,033.82 and 34,048.70 is: 46,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,343 : 86,033.82 = 34,048.70 : x
  2. Step 2: Convert to fraction form
    62,343/86,033.82 = 34,048.70/x
  3. Step 3: Cross multiply
    62,343x = 86,033.82 × 34,048.70
  4. Step 4: Simplify right side
    62,343x = 2,929,339,296.86
  5. Step 5: Solve for x
    x = 2,929,339,296.86/62,343
  6. Step 6: Final answer
    x = 46,987.46

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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.