Home / 104,789.65-144,609.00-57,042.88

Finding the Fourth Proportional to 104,789.65, 144,609.00 and 57,042.88

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Solution

The fourth proportional to 104,789.65, 144,609.00 and 57,042.88 is: 78,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,789.65 : 144,609.00 = 57,042.88 : x
  2. Step 2: Convert to fraction form
    104,789.65/144,609.00 = 57,042.88/x
  3. Step 3: Cross multiply
    104,789.65x = 144,609.00 × 57,042.88
  4. Step 4: Simplify right side
    104,789.65x = 8,248,914,071.91
  5. Step 5: Solve for x
    x = 8,248,914,071.91/104,789.65
  6. Step 6: Final answer
    x = 78,718.79

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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.