Home / 81,941.49-122,941.62-32,057.42

Finding the Fourth Proportional to 81,941.49, 122,941.62 and 32,057.42

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Solution

The fourth proportional to 81,941.49, 122,941.62 and 32,057.42 is: 48,097.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,941.49 : 122,941.62 = 32,057.42 : x
  2. Step 2: Convert to fraction form
    81,941.49/122,941.62 = 32,057.42/x
  3. Step 3: Cross multiply
    81,941.49x = 122,941.62 × 32,057.42
  4. Step 4: Simplify right side
    81,941.49x = 3,941,190,533.11
  5. Step 5: Solve for x
    x = 3,941,190,533.11/81,941.49
  6. Step 6: Final answer
    x = 48,097.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.