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Finding the Fourth Proportional to 61,880.52, 92,654.48 and 39,268.77

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Solution

The fourth proportional to 61,880.52, 92,654.48 and 39,268.77 is: 58,797.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,880.52 : 92,654.48 = 39,268.77 : x
  2. Step 2: Convert to fraction form
    61,880.52/92,654.48 = 39,268.77/x
  3. Step 3: Cross multiply
    61,880.52x = 92,654.48 × 39,268.77
  4. Step 4: Simplify right side
    61,880.52x = 3,638,427,268.25
  5. Step 5: Solve for x
    x = 3,638,427,268.25/61,880.52
  6. Step 6: Final answer
    x = 58,797.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.