Home / 74,256.30-111,358.50-29,871.54

Finding the Fourth Proportional to 74,256.30, 111,358.50 and 29,871.54

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Solution

The fourth proportional to 74,256.30, 111,358.50 and 29,871.54 is: 44,796.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,256.30 : 111,358.50 = 29,871.54 : x
  2. Step 2: Convert to fraction form
    74,256.30/111,358.50 = 29,871.54/x
  3. Step 3: Cross multiply
    74,256.30x = 111,358.50 × 29,871.54
  4. Step 4: Simplify right side
    74,256.30x = 3,326,449,887.09
  5. Step 5: Solve for x
    x = 3,326,449,887.09/74,256.30
  6. Step 6: Final answer
    x = 44,796.87

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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.