Home / 75,529.58-104,235.92-49,991.95

Finding the Fourth Proportional to 75,529.58, 104,235.92 and 49,991.95

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Solution

The fourth proportional to 75,529.58, 104,235.92 and 49,991.95 is: 68,992.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,529.58 : 104,235.92 = 49,991.95 : x
  2. Step 2: Convert to fraction form
    75,529.58/104,235.92 = 49,991.95/x
  3. Step 3: Cross multiply
    75,529.58x = 104,235.92 × 49,991.95
  4. Step 4: Simplify right side
    75,529.58x = 5,210,956,900.84
  5. Step 5: Solve for x
    x = 5,210,956,900.84/75,529.58
  6. Step 6: Final answer
    x = 68,992.27

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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.