Home / 75,907.37-103,992.62-73,068.71

Finding the Fourth Proportional to 75,907.37, 103,992.62 and 73,068.71

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Solution

The fourth proportional to 75,907.37, 103,992.62 and 73,068.71 is: 100,103.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,907.37 : 103,992.62 = 73,068.71 : x
  2. Step 2: Convert to fraction form
    75,907.37/103,992.62 = 73,068.71/x
  3. Step 3: Cross multiply
    75,907.37x = 103,992.62 × 73,068.71
  4. Step 4: Simplify right side
    75,907.37x = 7,598,606,761.57
  5. Step 5: Solve for x
    x = 7,598,606,761.57/75,907.37
  6. Step 6: Final answer
    x = 100,103.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.