Home / 74,958.72-103,433.05-48,137.56

Finding the Fourth Proportional to 74,958.72, 103,433.05 and 48,137.56

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Solution

The fourth proportional to 74,958.72, 103,433.05 and 48,137.56 is: 66,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,958.72 : 103,433.05 = 48,137.56 : x
  2. Step 2: Convert to fraction form
    74,958.72/103,433.05 = 48,137.56/x
  3. Step 3: Cross multiply
    74,958.72x = 103,433.05 × 48,137.56
  4. Step 4: Simplify right side
    74,958.72x = 4,979,014,650.36
  5. Step 5: Solve for x
    x = 4,979,014,650.36/74,958.72
  6. Step 6: Final answer
    x = 66,423.42

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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.