Home / 75,806.61-104,579.82-45,574.44

Finding the Fourth Proportional to 75,806.61, 104,579.82 and 45,574.44

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Solution

The fourth proportional to 75,806.61, 104,579.82 and 45,574.44 is: 62,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,806.61 : 104,579.82 = 45,574.44 : x
  2. Step 2: Convert to fraction form
    75,806.61/104,579.82 = 45,574.44/x
  3. Step 3: Cross multiply
    75,806.61x = 104,579.82 × 45,574.44
  4. Step 4: Simplify right side
    75,806.61x = 4,766,166,731.80
  5. Step 5: Solve for x
    x = 4,766,166,731.80/75,806.61
  6. Step 6: Final answer
    x = 62,872.71

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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.