Home / 111,929.89-154,467.04-60,944.60

Finding the Fourth Proportional to 111,929.89, 154,467.04 and 60,944.60

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Solution

The fourth proportional to 111,929.89, 154,467.04 and 60,944.60 is: 84,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,929.89 : 154,467.04 = 60,944.60 : x
  2. Step 2: Convert to fraction form
    111,929.89/154,467.04 = 60,944.60/x
  3. Step 3: Cross multiply
    111,929.89x = 154,467.04 × 60,944.60
  4. Step 4: Simplify right side
    111,929.89x = 9,413,930,888.93
  5. Step 5: Solve for x
    x = 9,413,930,888.93/111,929.89
  6. Step 6: Final answer
    x = 84,105.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.