Home / 48,161.70-72,257.09-14,428.81

Finding the Fourth Proportional to 48,161.70, 72,257.09 and 14,428.81

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Solution

The fourth proportional to 48,161.70, 72,257.09 and 14,428.81 is: 21,647.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,161.70 : 72,257.09 = 14,428.81 : x
  2. Step 2: Convert to fraction form
    48,161.70/72,257.09 = 14,428.81/x
  3. Step 3: Cross multiply
    48,161.70x = 72,257.09 × 14,428.81
  4. Step 4: Simplify right side
    48,161.70x = 1,042,583,750.62
  5. Step 5: Solve for x
    x = 1,042,583,750.62/48,161.70
  6. Step 6: Final answer
    x = 21,647.57

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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.