Home / 112,104.52-154,704.22-61,804.60

Finding the Fourth Proportional to 112,104.52, 154,704.22 and 61,804.60

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Solution

The fourth proportional to 112,104.52, 154,704.22 and 61,804.60 is: 85,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,104.52 : 154,704.22 = 61,804.60 : x
  2. Step 2: Convert to fraction form
    112,104.52/154,704.22 = 61,804.60/x
  3. Step 3: Cross multiply
    112,104.52x = 154,704.22 × 61,804.60
  4. Step 4: Simplify right side
    112,104.52x = 9,561,432,435.41
  5. Step 5: Solve for x
    x = 9,561,432,435.41/112,104.52
  6. Step 6: Final answer
    x = 85,290.34

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1.5x scale

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.