Home / 74,246.40-111,315.60-29,851.20

Finding the Fourth Proportional to 74,246.40, 111,315.60 and 29,851.20

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Solution

The fourth proportional to 74,246.40, 111,315.60 and 29,851.20 is: 44,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,246.40 : 111,315.60 = 29,851.20 : x
  2. Step 2: Convert to fraction form
    74,246.40/111,315.60 = 29,851.20/x
  3. Step 3: Cross multiply
    74,246.40x = 111,315.60 × 29,851.20
  4. Step 4: Simplify right side
    74,246.40x = 3,322,904,238.72
  5. Step 5: Solve for x
    x = 3,322,904,238.72/74,246.40
  6. Step 6: Final answer
    x = 44,755.09

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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.