Home / 74,631.38-102,991.30-41,097.38

Finding the Fourth Proportional to 74,631.38, 102,991.30 and 41,097.38

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Solution

The fourth proportional to 74,631.38, 102,991.30 and 41,097.38 is: 56,714.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,631.38 : 102,991.30 = 41,097.38 : x
  2. Step 2: Convert to fraction form
    74,631.38/102,991.30 = 41,097.38/x
  3. Step 3: Cross multiply
    74,631.38x = 102,991.30 × 41,097.38
  4. Step 4: Simplify right side
    74,631.38x = 4,232,671,975.09
  5. Step 5: Solve for x
    x = 4,232,671,975.09/74,631.38
  6. Step 6: Final answer
    x = 56,714.38

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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.