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Finding the Fourth Proportional to 62,090.43, 85,685.22 and 33,796.41

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Solution

The fourth proportional to 62,090.43, 85,685.22 and 33,796.41 is: 46,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,090.43 : 85,685.22 = 33,796.41 : x
  2. Step 2: Convert to fraction form
    62,090.43/85,685.22 = 33,796.41/x
  3. Step 3: Cross multiply
    62,090.43x = 85,685.22 × 33,796.41
  4. Step 4: Simplify right side
    62,090.43x = 2,895,852,826.06
  5. Step 5: Solve for x
    x = 2,895,852,826.06/62,090.43
  6. Step 6: Final answer
    x = 46,639.28

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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.