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Finding the Fourth Proportional to 62,998.26, 86,938.64 and 34,703.97

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Solution

The fourth proportional to 62,998.26, 86,938.64 and 34,703.97 is: 47,892.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,998.26 : 86,938.64 = 34,703.97 : x
  2. Step 2: Convert to fraction form
    62,998.26/86,938.64 = 34,703.97/x
  3. Step 3: Cross multiply
    62,998.26x = 86,938.64 × 34,703.97
  4. Step 4: Simplify right side
    62,998.26x = 3,017,115,954.40
  5. Step 5: Solve for x
    x = 3,017,115,954.40/62,998.26
  6. Step 6: Final answer
    x = 47,892.05

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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.