Home / 55,193-76,166.34-30,042.68

Finding the Fourth Proportional to 55,193, 76,166.34 and 30,042.68

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Solution

The fourth proportional to 55,193, 76,166.34 and 30,042.68 is: 41,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,193 : 76,166.34 = 30,042.68 : x
  2. Step 2: Convert to fraction form
    55,193/76,166.34 = 30,042.68/x
  3. Step 3: Cross multiply
    55,193x = 76,166.34 × 30,042.68
  4. Step 4: Simplify right side
    55,193x = 2,288,240,979.39
  5. Step 5: Solve for x
    x = 2,288,240,979.39/55,193
  6. Step 6: Final answer
    x = 41,458.90

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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.