Home / 74,223.78-111,308.04-29,835.60

Finding the Fourth Proportional to 74,223.78, 111,308.04 and 29,835.60

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Solution

The fourth proportional to 74,223.78, 111,308.04 and 29,835.60 is: 44,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,223.78 : 111,308.04 = 29,835.60 : x
  2. Step 2: Convert to fraction form
    74,223.78/111,308.04 = 29,835.60/x
  3. Step 3: Cross multiply
    74,223.78x = 111,308.04 × 29,835.60
  4. Step 4: Simplify right side
    74,223.78x = 3,320,942,158.22
  5. Step 5: Solve for x
    x = 3,320,942,158.22/74,223.78
  6. Step 6: Final answer
    x = 44,742.29

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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.