Home / 103,664.10-155,528.96-37,102.75

Finding the Fourth Proportional to 103,664.10, 155,528.96 and 37,102.75

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Solution

The fourth proportional to 103,664.10, 155,528.96 and 37,102.75 is: 55,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,664.10 : 155,528.96 = 37,102.75 : x
  2. Step 2: Convert to fraction form
    103,664.10/155,528.96 = 37,102.75/x
  3. Step 3: Cross multiply
    103,664.10x = 155,528.96 × 37,102.75
  4. Step 4: Simplify right side
    103,664.10x = 5,770,552,120.64
  5. Step 5: Solve for x
    x = 5,770,552,120.64/103,664.10
  6. Step 6: Final answer
    x = 55,665.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.