Home / 104,286.69-143,907.03-58,969.32

Finding the Fourth Proportional to 104,286.69, 143,907.03 and 58,969.32

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Solution

The fourth proportional to 104,286.69, 143,907.03 and 58,969.32 is: 81,372.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,286.69 : 143,907.03 = 58,969.32 : x
  2. Step 2: Convert to fraction form
    104,286.69/143,907.03 = 58,969.32/x
  3. Step 3: Cross multiply
    104,286.69x = 143,907.03 × 58,969.32
  4. Step 4: Simplify right side
    104,286.69x = 8,486,099,162.67
  5. Step 5: Solve for x
    x = 8,486,099,162.67/104,286.69
  6. Step 6: Final answer
    x = 81,372.79

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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.