Home / 74,821.36-103,255.67-40,832.04

Finding the Fourth Proportional to 74,821.36, 103,255.67 and 40,832.04

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Solution

The fourth proportional to 74,821.36, 103,255.67 and 40,832.04 is: 56,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,821.36 : 103,255.67 = 40,832.04 : x
  2. Step 2: Convert to fraction form
    74,821.36/103,255.67 = 40,832.04/x
  3. Step 3: Cross multiply
    74,821.36x = 103,255.67 × 40,832.04
  4. Step 4: Simplify right side
    74,821.36x = 4,216,139,991.75
  5. Step 5: Solve for x
    x = 4,216,139,991.75/74,821.36
  6. Step 6: Final answer
    x = 56,349.42

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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.