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Finding the Fourth Proportional to 62,965.38, 86,892.02 and 34,671.06

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Solution

The fourth proportional to 62,965.38, 86,892.02 and 34,671.06 is: 47,845.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,965.38 : 86,892.02 = 34,671.06 : x
  2. Step 2: Convert to fraction form
    62,965.38/86,892.02 = 34,671.06/x
  3. Step 3: Cross multiply
    62,965.38x = 86,892.02 × 34,671.06
  4. Step 4: Simplify right side
    62,965.38x = 3,012,638,438.94
  5. Step 5: Solve for x
    x = 3,012,638,438.94/62,965.38
  6. Step 6: Final answer
    x = 47,845.95

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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.