Home / 84,610.19-116,731.15-50,619.65

Finding the Fourth Proportional to 84,610.19, 116,731.15 and 50,619.65

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Solution

The fourth proportional to 84,610.19, 116,731.15 and 50,619.65 is: 69,836.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,610.19 : 116,731.15 = 50,619.65 : x
  2. Step 2: Convert to fraction form
    84,610.19/116,731.15 = 50,619.65/x
  3. Step 3: Cross multiply
    84,610.19x = 116,731.15 × 50,619.65
  4. Step 4: Simplify right side
    84,610.19x = 5,908,889,246.89
  5. Step 5: Solve for x
    x = 5,908,889,246.89/84,610.19
  6. Step 6: Final answer
    x = 69,836.61

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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.