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Finding the Fourth Proportional to 81,883.78, 112,999.41 and 46,073.84

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Solution

The fourth proportional to 81,883.78, 112,999.41 and 46,073.84 is: 63,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,883.78 : 112,999.41 = 46,073.84 : x
  2. Step 2: Convert to fraction form
    81,883.78/112,999.41 = 46,073.84/x
  3. Step 3: Cross multiply
    81,883.78x = 112,999.41 × 46,073.84
  4. Step 4: Simplify right side
    81,883.78x = 5,206,316,171.44
  5. Step 5: Solve for x
    x = 5,206,316,171.44/81,883.78
  6. Step 6: Final answer
    x = 63,581.78

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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.