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Finding the Fourth Proportional to 78,305.00, 108,054.41 and 44,311.73

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Solution

The fourth proportional to 78,305.00, 108,054.41 and 44,311.73 is: 61,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,305.00 : 108,054.41 = 44,311.73 : x
  2. Step 2: Convert to fraction form
    78,305.00/108,054.41 = 44,311.73/x
  3. Step 3: Cross multiply
    78,305.00x = 108,054.41 × 44,311.73
  4. Step 4: Simplify right side
    78,305.00x = 4,788,077,079.40
  5. Step 5: Solve for x
    x = 4,788,077,079.40/78,305.00
  6. Step 6: Final answer
    x = 61,146.51

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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.