Home / 84,846.46-117,081.28-49,038.79

Finding the Fourth Proportional to 84,846.46, 117,081.28 and 49,038.79

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Solution

The fourth proportional to 84,846.46, 117,081.28 and 49,038.79 is: 67,669.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,846.46 : 117,081.28 = 49,038.79 : x
  2. Step 2: Convert to fraction form
    84,846.46/117,081.28 = 49,038.79/x
  3. Step 3: Cross multiply
    84,846.46x = 117,081.28 × 49,038.79
  4. Step 4: Simplify right side
    84,846.46x = 5,741,524,044.24
  5. Step 5: Solve for x
    x = 5,741,524,044.24/84,846.46
  6. Step 6: Final answer
    x = 67,669.58

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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.