Home / 45,205.14-67,802.49-11,927.87

Finding the Fourth Proportional to 45,205.14, 67,802.49 and 11,927.87

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Solution

The fourth proportional to 45,205.14, 67,802.49 and 11,927.87 is: 17,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,205.14 : 67,802.49 = 11,927.87 : x
  2. Step 2: Convert to fraction form
    45,205.14/67,802.49 = 11,927.87/x
  3. Step 3: Cross multiply
    45,205.14x = 67,802.49 × 11,927.87
  4. Step 4: Simplify right side
    45,205.14x = 808,738,947.38
  5. Step 5: Solve for x
    x = 808,738,947.38/45,205.14
  6. Step 6: Final answer
    x = 17,890.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.