Home / 104,844.63-144,691.65-78,956.83

Finding the Fourth Proportional to 104,844.63, 144,691.65 and 78,956.83

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Solution

The fourth proportional to 104,844.63, 144,691.65 and 78,956.83 is: 108,964.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,844.63 : 144,691.65 = 78,956.83 : x
  2. Step 2: Convert to fraction form
    104,844.63/144,691.65 = 78,956.83/x
  3. Step 3: Cross multiply
    104,844.63x = 144,691.65 × 78,956.83
  4. Step 4: Simplify right side
    104,844.63x = 11,424,394,011.47
  5. Step 5: Solve for x
    x = 11,424,394,011.47/104,844.63
  6. Step 6: Final answer
    x = 108,964.99

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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.