Home / 111,935.42-154,420.97-75,625.19

Finding the Fourth Proportional to 111,935.42, 154,420.97 and 75,625.19

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Solution

The fourth proportional to 111,935.42, 154,420.97 and 75,625.19 is: 104,329.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,935.42 : 154,420.97 = 75,625.19 : x
  2. Step 2: Convert to fraction form
    111,935.42/154,420.97 = 75,625.19/x
  3. Step 3: Cross multiply
    111,935.42x = 154,420.97 × 75,625.19
  4. Step 4: Simplify right side
    111,935.42x = 11,678,114,046.00
  5. Step 5: Solve for x
    x = 11,678,114,046.00/111,935.42
  6. Step 6: Final answer
    x = 104,329.04

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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.