Home / 66,436.78-99,521.52-33,055.60

Finding the Fourth Proportional to 66,436.78, 99,521.52 and 33,055.60

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Solution

The fourth proportional to 66,436.78, 99,521.52 and 33,055.60 is: 49,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436.78 : 99,521.52 = 33,055.60 : x
  2. Step 2: Convert to fraction form
    66,436.78/99,521.52 = 33,055.60/x
  3. Step 3: Cross multiply
    66,436.78x = 99,521.52 × 33,055.60
  4. Step 4: Simplify right side
    66,436.78x = 3,289,743,556.51
  5. Step 5: Solve for x
    x = 3,289,743,556.51/66,436.78
  6. Step 6: Final answer
    x = 49,516.90

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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.