Home / 75,403.02-104,057.39-40,947.75

Finding the Fourth Proportional to 75,403.02, 104,057.39 and 40,947.75

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Solution

The fourth proportional to 75,403.02, 104,057.39 and 40,947.75 is: 56,508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,403.02 : 104,057.39 = 40,947.75 : x
  2. Step 2: Convert to fraction form
    75,403.02/104,057.39 = 40,947.75/x
  3. Step 3: Cross multiply
    75,403.02x = 104,057.39 × 40,947.75
  4. Step 4: Simplify right side
    75,403.02x = 4,260,915,786.63
  5. Step 5: Solve for x
    x = 4,260,915,786.63/75,403.02
  6. Step 6: Final answer
    x = 56,508.56

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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.