Home / 84,103.61-116,063.84-46,379.21

Finding the Fourth Proportional to 84,103.61, 116,063.84 and 46,379.21

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Solution

The fourth proportional to 84,103.61, 116,063.84 and 46,379.21 is: 64,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,103.61 : 116,063.84 = 46,379.21 : x
  2. Step 2: Convert to fraction form
    84,103.61/116,063.84 = 46,379.21/x
  3. Step 3: Cross multiply
    84,103.61x = 116,063.84 × 46,379.21
  4. Step 4: Simplify right side
    84,103.61x = 5,382,948,744.40
  5. Step 5: Solve for x
    x = 5,382,948,744.40/84,103.61
  6. Step 6: Final answer
    x = 64,003.78

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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.