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Finding the Fourth Proportional to 80,285.31, 110,793.71 and 44,477.64

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Solution

The fourth proportional to 80,285.31, 110,793.71 and 44,477.64 is: 61,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,285.31 : 110,793.71 = 44,477.64 : x
  2. Step 2: Convert to fraction form
    80,285.31/110,793.71 = 44,477.64/x
  3. Step 3: Cross multiply
    80,285.31x = 110,793.71 × 44,477.64
  4. Step 4: Simplify right side
    80,285.31x = 4,927,842,525.26
  5. Step 5: Solve for x
    x = 4,927,842,525.26/80,285.31
  6. Step 6: Final answer
    x = 61,379.13

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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.