Home / 75,384.42-104,022.78-43,563.56

Finding the Fourth Proportional to 75,384.42, 104,022.78 and 43,563.56

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Solution

The fourth proportional to 75,384.42, 104,022.78 and 43,563.56 is: 60,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,384.42 : 104,022.78 = 43,563.56 : x
  2. Step 2: Convert to fraction form
    75,384.42/104,022.78 = 43,563.56/x
  3. Step 3: Cross multiply
    75,384.42x = 104,022.78 × 43,563.56
  4. Step 4: Simplify right side
    75,384.42x = 4,531,602,617.90
  5. Step 5: Solve for x
    x = 4,531,602,617.90/75,384.42
  6. Step 6: Final answer
    x = 60,113.25

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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.