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Finding the Fourth Proportional to 80,087.71, 110,515.62 and 44,272.89

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Solution

The fourth proportional to 80,087.71, 110,515.62 and 44,272.89 is: 61,093.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,087.71 : 110,515.62 = 44,272.89 : x
  2. Step 2: Convert to fraction form
    80,087.71/110,515.62 = 44,272.89/x
  3. Step 3: Cross multiply
    80,087.71x = 110,515.62 × 44,272.89
  4. Step 4: Simplify right side
    80,087.71x = 4,892,845,887.54
  5. Step 5: Solve for x
    x = 4,892,845,887.54/80,087.71
  6. Step 6: Final answer
    x = 61,093.59

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1.5x scale

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.