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Finding the Fourth Proportional to 75,154.98, 112,773.96 and 41,893.77

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Solution

The fourth proportional to 75,154.98, 112,773.96 and 41,893.77 is: 62,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,154.98 : 112,773.96 = 41,893.77 : x
  2. Step 2: Convert to fraction form
    75,154.98/112,773.96 = 41,893.77/x
  3. Step 3: Cross multiply
    75,154.98x = 112,773.96 × 41,893.77
  4. Step 4: Simplify right side
    75,154.98x = 4,724,526,342.23
  5. Step 5: Solve for x
    x = 4,724,526,342.23/75,154.98
  6. Step 6: Final answer
    x = 62,863.78

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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.