Home / 74,769.31-103,180.12-41,235.31

Finding the Fourth Proportional to 74,769.31, 103,180.12 and 41,235.31

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Solution

The fourth proportional to 74,769.31, 103,180.12 and 41,235.31 is: 56,903.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,769.31 : 103,180.12 = 41,235.31 : x
  2. Step 2: Convert to fraction form
    74,769.31/103,180.12 = 41,235.31/x
  3. Step 3: Cross multiply
    74,769.31x = 103,180.12 × 41,235.31
  4. Step 4: Simplify right side
    74,769.31x = 4,254,664,234.04
  5. Step 5: Solve for x
    x = 4,254,664,234.04/74,769.31
  6. Step 6: Final answer
    x = 56,903.89

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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.