Home / 112,107.33-154,620.60-71,824.83

Finding the Fourth Proportional to 112,107.33, 154,620.60 and 71,824.83

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Solution

The fourth proportional to 112,107.33, 154,620.60 and 71,824.83 is: 99,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,107.33 : 154,620.60 = 71,824.83 : x
  2. Step 2: Convert to fraction form
    112,107.33/154,620.60 = 71,824.83/x
  3. Step 3: Cross multiply
    112,107.33x = 154,620.60 × 71,824.83
  4. Step 4: Simplify right side
    112,107.33x = 11,105,598,309.50
  5. Step 5: Solve for x
    x = 11,105,598,309.50/112,107.33
  6. Step 6: Final answer
    x = 99,062.20

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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.