Home / 112,036.44-154,611.90-61,734.36

Finding the Fourth Proportional to 112,036.44, 154,611.90 and 61,734.36

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Solution

The fourth proportional to 112,036.44, 154,611.90 and 61,734.36 is: 85,194.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,036.44 : 154,611.90 = 61,734.36 : x
  2. Step 2: Convert to fraction form
    112,036.44/154,611.90 = 61,734.36/x
  3. Step 3: Cross multiply
    112,036.44x = 154,611.90 × 61,734.36
  4. Step 4: Simplify right side
    112,036.44x = 9,544,866,694.88
  5. Step 5: Solve for x
    x = 9,544,866,694.88/112,036.44
  6. Step 6: Final answer
    x = 85,194.31

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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.