Home / 64,209.09-88,693.21-49,286.16

Finding the Fourth Proportional to 64,209.09, 88,693.21 and 49,286.16

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Solution

The fourth proportional to 64,209.09, 88,693.21 and 49,286.16 is: 68,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,209.09 : 88,693.21 = 49,286.16 : x
  2. Step 2: Convert to fraction form
    64,209.09/88,693.21 = 49,286.16/x
  3. Step 3: Cross multiply
    64,209.09x = 88,693.21 × 49,286.16
  4. Step 4: Simplify right side
    64,209.09x = 4,371,347,738.97
  5. Step 5: Solve for x
    x = 4,371,347,738.97/64,209.09
  6. Step 6: Final answer
    x = 68,079.89

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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.