Home / 74,919.04-103,387.96-41,385.04

Finding the Fourth Proportional to 74,919.04, 103,387.96 and 41,385.04

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Solution

The fourth proportional to 74,919.04, 103,387.96 and 41,385.04 is: 57,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,919.04 : 103,387.96 = 41,385.04 : x
  2. Step 2: Convert to fraction form
    74,919.04/103,387.96 = 41,385.04/x
  3. Step 3: Cross multiply
    74,919.04x = 103,387.96 × 41,385.04
  4. Step 4: Simplify right side
    74,919.04x = 4,278,714,860.12
  5. Step 5: Solve for x
    x = 4,278,714,860.12/74,919.04
  6. Step 6: Final answer
    x = 57,111.18

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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.