Home / 112,907.90-169,361.93-28,674.38

Finding the Fourth Proportional to 112,907.90, 169,361.93 and 28,674.38

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Solution

The fourth proportional to 112,907.90, 169,361.93 and 28,674.38 is: 43,011.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,907.90 : 169,361.93 = 28,674.38 : x
  2. Step 2: Convert to fraction form
    112,907.90/169,361.93 = 28,674.38/x
  3. Step 3: Cross multiply
    112,907.90x = 169,361.93 × 28,674.38
  4. Step 4: Simplify right side
    112,907.90x = 4,856,348,833.44
  5. Step 5: Solve for x
    x = 4,856,348,833.44/112,907.90
  6. Step 6: Final answer
    x = 43,011.59

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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.