Home / 74,257.12-111,323.13-50,498.11

Finding the Fourth Proportional to 74,257.12, 111,323.13 and 50,498.11

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Solution

The fourth proportional to 74,257.12, 111,323.13 and 50,498.11 is: 75,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,257.12 : 111,323.13 = 50,498.11 : x
  2. Step 2: Convert to fraction form
    74,257.12/111,323.13 = 50,498.11/x
  3. Step 3: Cross multiply
    74,257.12x = 111,323.13 × 50,498.11
  4. Step 4: Simplify right side
    74,257.12x = 5,621,607,664.28
  5. Step 5: Solve for x
    x = 5,621,607,664.28/74,257.12
  6. Step 6: Final answer
    x = 75,704.63

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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.