Home / 51,974.93-77,970.56-16,906.38

Finding the Fourth Proportional to 51,974.93, 77,970.56 and 16,906.38

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Solution

The fourth proportional to 51,974.93, 77,970.56 and 16,906.38 is: 25,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,974.93 : 77,970.56 = 16,906.38 : x
  2. Step 2: Convert to fraction form
    51,974.93/77,970.56 = 16,906.38/x
  3. Step 3: Cross multiply
    51,974.93x = 77,970.56 × 16,906.38
  4. Step 4: Simplify right side
    51,974.93x = 1,318,199,831.64
  5. Step 5: Solve for x
    x = 1,318,199,831.64/51,974.93
  6. Step 6: Final answer
    x = 25,362.23

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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.