Home / 112,467.60-155,205.93-61,480.44

Finding the Fourth Proportional to 112,467.60, 155,205.93 and 61,480.44

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Solution

The fourth proportional to 112,467.60, 155,205.93 and 61,480.44 is: 84,843.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,467.60 : 155,205.93 = 61,480.44 : x
  2. Step 2: Convert to fraction form
    112,467.60/155,205.93 = 61,480.44/x
  3. Step 3: Cross multiply
    112,467.60x = 155,205.93 × 61,480.44
  4. Step 4: Simplify right side
    112,467.60x = 9,542,128,867.01
  5. Step 5: Solve for x
    x = 9,542,128,867.01/112,467.60
  6. Step 6: Final answer
    x = 84,843.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.