Home / 74,821.03-103,270.75-43,008.41

Finding the Fourth Proportional to 74,821.03, 103,270.75 and 43,008.41

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Solution

The fourth proportional to 74,821.03, 103,270.75 and 43,008.41 is: 59,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,821.03 : 103,270.75 = 43,008.41 : x
  2. Step 2: Convert to fraction form
    74,821.03/103,270.75 = 43,008.41/x
  3. Step 3: Cross multiply
    74,821.03x = 103,270.75 × 43,008.41
  4. Step 4: Simplify right side
    74,821.03x = 4,441,510,907.66
  5. Step 5: Solve for x
    x = 4,441,510,907.66/74,821.03
  6. Step 6: Final answer
    x = 59,361.80

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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.