Home / 81,097.08-110,941.39-80,755.53

Finding the Fourth Proportional to 81,097.08, 110,941.39 and 80,755.53

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Solution

The fourth proportional to 81,097.08, 110,941.39 and 80,755.53 is: 110,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,097.08 : 110,941.39 = 80,755.53 : x
  2. Step 2: Convert to fraction form
    81,097.08/110,941.39 = 80,755.53/x
  3. Step 3: Cross multiply
    81,097.08x = 110,941.39 × 80,755.53
  4. Step 4: Simplify right side
    81,097.08x = 8,959,130,748.39
  5. Step 5: Solve for x
    x = 8,959,130,748.39/81,097.08
  6. Step 6: Final answer
    x = 110,474.15

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.