Home / 75,745.30-104,524.08-43,472.47

Finding the Fourth Proportional to 75,745.30, 104,524.08 and 43,472.47

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Solution

The fourth proportional to 75,745.30, 104,524.08 and 43,472.47 is: 59,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,745.30 : 104,524.08 = 43,472.47 : x
  2. Step 2: Convert to fraction form
    75,745.30/104,524.08 = 43,472.47/x
  3. Step 3: Cross multiply
    75,745.30x = 104,524.08 × 43,472.47
  4. Step 4: Simplify right side
    75,745.30x = 4,543,919,670.77
  5. Step 5: Solve for x
    x = 4,543,919,670.77/75,745.30
  6. Step 6: Final answer
    x = 59,989.46

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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.