Home / 111,917.30-154,442.11-60,929.07

Finding the Fourth Proportional to 111,917.30, 154,442.11 and 60,929.07

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Solution

The fourth proportional to 111,917.30, 154,442.11 and 60,929.07 is: 84,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,917.30 : 154,442.11 = 60,929.07 : x
  2. Step 2: Convert to fraction form
    111,917.30/154,442.11 = 60,929.07/x
  3. Step 3: Cross multiply
    111,917.30x = 154,442.11 × 60,929.07
  4. Step 4: Simplify right side
    111,917.30x = 9,410,014,131.14
  5. Step 5: Solve for x
    x = 9,410,014,131.14/111,917.30
  6. Step 6: Final answer
    x = 84,080.07

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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.