Home / 55,063.80-76,000.20-36,202.68

Finding the Fourth Proportional to 55,063.80, 76,000.20 and 36,202.68

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Solution

The fourth proportional to 55,063.80, 76,000.20 and 36,202.68 is: 49,967.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,063.80 : 76,000.20 = 36,202.68 : x
  2. Step 2: Convert to fraction form
    55,063.80/76,000.20 = 36,202.68/x
  3. Step 3: Cross multiply
    55,063.80x = 76,000.20 × 36,202.68
  4. Step 4: Simplify right side
    55,063.80x = 2,751,410,920.54
  5. Step 5: Solve for x
    x = 2,751,410,920.54/55,063.80
  6. Step 6: Final answer
    x = 49,967.69

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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.