Home / 52,447.23-78,600.78-19,135.98

Finding the Fourth Proportional to 52,447.23, 78,600.78 and 19,135.98

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Solution

The fourth proportional to 52,447.23, 78,600.78 and 19,135.98 is: 28,678.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,447.23 : 78,600.78 = 19,135.98 : x
  2. Step 2: Convert to fraction form
    52,447.23/78,600.78 = 19,135.98/x
  3. Step 3: Cross multiply
    52,447.23x = 78,600.78 × 19,135.98
  4. Step 4: Simplify right side
    52,447.23x = 1,504,102,954.06
  5. Step 5: Solve for x
    x = 1,504,102,954.06/52,447.23
  6. Step 6: Final answer
    x = 28,678.41

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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.