Home / 75,076.58-103,605.72-46,782.38

Finding the Fourth Proportional to 75,076.58, 103,605.72 and 46,782.38

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Solution

The fourth proportional to 75,076.58, 103,605.72 and 46,782.38 is: 64,559.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,076.58 : 103,605.72 = 46,782.38 : x
  2. Step 2: Convert to fraction form
    75,076.58/103,605.72 = 46,782.38/x
  3. Step 3: Cross multiply
    75,076.58x = 103,605.72 × 46,782.38
  4. Step 4: Simplify right side
    75,076.58x = 4,846,922,163.21
  5. Step 5: Solve for x
    x = 4,846,922,163.21/75,076.58
  6. Step 6: Final answer
    x = 64,559.71

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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.