Home / 111,813.25-154,305.09-60,828.85

Finding the Fourth Proportional to 111,813.25, 154,305.09 and 60,828.85

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Solution

The fourth proportional to 111,813.25, 154,305.09 and 60,828.85 is: 83,945.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,813.25 : 154,305.09 = 60,828.85 : x
  2. Step 2: Convert to fraction form
    111,813.25/154,305.09 = 60,828.85/x
  3. Step 3: Cross multiply
    111,813.25x = 154,305.09 × 60,828.85
  4. Step 4: Simplify right side
    111,813.25x = 9,386,201,173.85
  5. Step 5: Solve for x
    x = 9,386,201,173.85/111,813.25
  6. Step 6: Final answer
    x = 83,945.34

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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.