Home / 74,747.65-112,119.05-30,361.27

Finding the Fourth Proportional to 74,747.65, 112,119.05 and 30,361.27

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Solution

The fourth proportional to 74,747.65, 112,119.05 and 30,361.27 is: 45,540.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,747.65 : 112,119.05 = 30,361.27 : x
  2. Step 2: Convert to fraction form
    74,747.65/112,119.05 = 30,361.27/x
  3. Step 3: Cross multiply
    74,747.65x = 112,119.05 × 30,361.27
  4. Step 4: Simplify right side
    74,747.65x = 3,404,076,597.39
  5. Step 5: Solve for x
    x = 3,404,076,597.39/74,747.65
  6. Step 6: Final answer
    x = 45,540.92

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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.