Home / 74,739.17-103,142.54-44,520.37

Finding the Fourth Proportional to 74,739.17, 103,142.54 and 44,520.37

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Solution

The fourth proportional to 74,739.17, 103,142.54 and 44,520.37 is: 61,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,739.17 : 103,142.54 = 44,520.37 : x
  2. Step 2: Convert to fraction form
    74,739.17/103,142.54 = 44,520.37/x
  3. Step 3: Cross multiply
    74,739.17x = 103,142.54 × 44,520.37
  4. Step 4: Simplify right side
    74,739.17x = 4,591,943,896.98
  5. Step 5: Solve for x
    x = 4,591,943,896.98/74,739.17
  6. Step 6: Final answer
    x = 61,439.59

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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.