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Finding the Fourth Proportional to 80,364.98, 110,904.09 and 46,374.89

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Solution

The fourth proportional to 80,364.98, 110,904.09 and 46,374.89 is: 63,997.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,364.98 : 110,904.09 = 46,374.89 : x
  2. Step 2: Convert to fraction form
    80,364.98/110,904.09 = 46,374.89/x
  3. Step 3: Cross multiply
    80,364.98x = 110,904.09 × 46,374.89
  4. Step 4: Simplify right side
    80,364.98x = 5,143,164,974.30
  5. Step 5: Solve for x
    x = 5,143,164,974.30/80,364.98
  6. Step 6: Final answer
    x = 63,997.59

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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.