Home / 48,103.16-66,339.39-30,199.84

Finding the Fourth Proportional to 48,103.16, 66,339.39 and 30,199.84

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Solution

The fourth proportional to 48,103.16, 66,339.39 and 30,199.84 is: 41,648.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,103.16 : 66,339.39 = 30,199.84 : x
  2. Step 2: Convert to fraction form
    48,103.16/66,339.39 = 30,199.84/x
  3. Step 3: Cross multiply
    48,103.16x = 66,339.39 × 30,199.84
  4. Step 4: Simplify right side
    48,103.16x = 2,003,438,481.00
  5. Step 5: Solve for x
    x = 2,003,438,481.00/48,103.16
  6. Step 6: Final answer
    x = 41,648.79

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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.