Home / 61,372.72-84,327.32-48,775.60

Finding the Fourth Proportional to 61,372.72, 84,327.32 and 48,775.60

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Solution

The fourth proportional to 61,372.72, 84,327.32 and 48,775.60 is: 67,018.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,372.72 : 84,327.32 = 48,775.60 : x
  2. Step 2: Convert to fraction form
    61,372.72/84,327.32 = 48,775.60/x
  3. Step 3: Cross multiply
    61,372.72x = 84,327.32 × 48,775.60
  4. Step 4: Simplify right side
    61,372.72x = 4,113,115,629.39
  5. Step 5: Solve for x
    x = 4,113,115,629.39/61,372.72
  6. Step 6: Final answer
    x = 67,018.63

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.