Home / 74,342.22-111,367.53-43,111.86

Finding the Fourth Proportional to 74,342.22, 111,367.53 and 43,111.86

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Solution

The fourth proportional to 74,342.22, 111,367.53 and 43,111.86 is: 64,583.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,342.22 : 111,367.53 = 43,111.86 : x
  2. Step 2: Convert to fraction form
    74,342.22/111,367.53 = 43,111.86/x
  3. Step 3: Cross multiply
    74,342.22x = 111,367.53 × 43,111.86
  4. Step 4: Simplify right side
    74,342.22x = 4,801,261,361.91
  5. Step 5: Solve for x
    x = 4,801,261,361.91/74,342.22
  6. Step 6: Final answer
    x = 64,583.24

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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.