Home / 52,048.33-78,072.68-12,605.47

Finding the Fourth Proportional to 52,048.33, 78,072.68 and 12,605.47

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Solution

The fourth proportional to 52,048.33, 78,072.68 and 12,605.47 is: 18,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,048.33 : 78,072.68 = 12,605.47 : x
  2. Step 2: Convert to fraction form
    52,048.33/78,072.68 = 12,605.47/x
  3. Step 3: Cross multiply
    52,048.33x = 78,072.68 × 12,605.47
  4. Step 4: Simplify right side
    52,048.33x = 984,142,825.56
  5. Step 5: Solve for x
    x = 984,142,825.56/52,048.33
  6. Step 6: Final answer
    x = 18,908.25

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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.