Home / 103,849.72-155,671.06-43,893.32

Finding the Fourth Proportional to 103,849.72, 155,671.06 and 43,893.32

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Solution

The fourth proportional to 103,849.72, 155,671.06 and 43,893.32 is: 65,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,849.72 : 155,671.06 = 43,893.32 : x
  2. Step 2: Convert to fraction form
    103,849.72/155,671.06 = 43,893.32/x
  3. Step 3: Cross multiply
    103,849.72x = 155,671.06 × 43,893.32
  4. Step 4: Simplify right side
    103,849.72x = 6,832,919,651.32
  5. Step 5: Solve for x
    x = 6,832,919,651.32/103,849.72
  6. Step 6: Final answer
    x = 65,796.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.