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Finding the Fourth Proportional to 80,033.95, 110,447.13 and 43,735.39

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Solution

The fourth proportional to 80,033.95, 110,447.13 and 43,735.39 is: 60,354.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,033.95 : 110,447.13 = 43,735.39 : x
  2. Step 2: Convert to fraction form
    80,033.95/110,447.13 = 43,735.39/x
  3. Step 3: Cross multiply
    80,033.95x = 110,447.13 × 43,735.39
  4. Step 4: Simplify right side
    80,033.95x = 4,830,447,776.90
  5. Step 5: Solve for x
    x = 4,830,447,776.90/80,033.95
  6. Step 6: Final answer
    x = 60,354.99

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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.