Home / 54,780.07-75,596.52-30,906.94

Finding the Fourth Proportional to 54,780.07, 75,596.52 and 30,906.94

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Solution

The fourth proportional to 54,780.07, 75,596.52 and 30,906.94 is: 42,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780.07 : 75,596.52 = 30,906.94 : x
  2. Step 2: Convert to fraction form
    54,780.07/75,596.52 = 30,906.94/x
  3. Step 3: Cross multiply
    54,780.07x = 75,596.52 × 30,906.94
  4. Step 4: Simplify right side
    54,780.07x = 2,336,457,107.85
  5. Step 5: Solve for x
    x = 2,336,457,107.85/54,780.07
  6. Step 6: Final answer
    x = 42,651.59

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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.