Home / 112,103.64-154,704.22-61,804.44

Finding the Fourth Proportional to 112,103.64, 154,704.22 and 61,804.44

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Solution

The fourth proportional to 112,103.64, 154,704.22 and 61,804.44 is: 85,290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,103.64 : 154,704.22 = 61,804.44 : x
  2. Step 2: Convert to fraction form
    112,103.64/154,704.22 = 61,804.44/x
  3. Step 3: Cross multiply
    112,103.64x = 154,704.22 × 61,804.44
  4. Step 4: Simplify right side
    112,103.64x = 9,561,407,682.74
  5. Step 5: Solve for x
    x = 9,561,407,682.74/112,103.64
  6. Step 6: Final answer
    x = 85,290.79

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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.