Home / 84,828.30-117,054.09-49,029.68

Finding the Fourth Proportional to 84,828.30, 117,054.09 and 49,029.68

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Solution

The fourth proportional to 84,828.30, 117,054.09 and 49,029.68 is: 67,655.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,828.30 : 117,054.09 = 49,029.68 : x
  2. Step 2: Convert to fraction form
    84,828.30/117,054.09 = 49,029.68/x
  3. Step 3: Cross multiply
    84,828.30x = 117,054.09 × 49,029.68
  4. Step 4: Simplify right side
    84,828.30x = 5,739,123,990.12
  5. Step 5: Solve for x
    x = 5,739,123,990.12/84,828.30
  6. Step 6: Final answer
    x = 67,655.77

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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.