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Finding the Fourth Proportional to 80,130.36, 110,580.86 and 44,319.44

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Solution

The fourth proportional to 80,130.36, 110,580.86 and 44,319.44 is: 61,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,130.36 : 110,580.86 = 44,319.44 : x
  2. Step 2: Convert to fraction form
    80,130.36/110,580.86 = 44,319.44/x
  3. Step 3: Cross multiply
    80,130.36x = 110,580.86 × 44,319.44
  4. Step 4: Simplify right side
    80,130.36x = 4,900,881,789.92
  5. Step 5: Solve for x
    x = 4,900,881,789.92/80,130.36
  6. Step 6: Final answer
    x = 61,161.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.