Home / 84,486.21-116,583.06-50,487.93

Finding the Fourth Proportional to 84,486.21, 116,583.06 and 50,487.93

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Solution

The fourth proportional to 84,486.21, 116,583.06 and 50,487.93 is: 69,668.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,486.21 : 116,583.06 = 50,487.93 : x
  2. Step 2: Convert to fraction form
    84,486.21/116,583.06 = 50,487.93/x
  3. Step 3: Cross multiply
    84,486.21x = 116,583.06 × 50,487.93
  4. Step 4: Simplify right side
    84,486.21x = 5,886,036,537.11
  5. Step 5: Solve for x
    x = 5,886,036,537.11/84,486.21
  6. Step 6: Final answer
    x = 69,668.61

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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.