Home / 111,918.07-167,860.55-40,824.07

Finding the Fourth Proportional to 111,918.07, 167,860.55 and 40,824.07

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Solution

The fourth proportional to 111,918.07, 167,860.55 and 40,824.07 is: 61,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,918.07 : 167,860.55 = 40,824.07 : x
  2. Step 2: Convert to fraction form
    111,918.07/167,860.55 = 40,824.07/x
  3. Step 3: Cross multiply
    111,918.07x = 167,860.55 × 40,824.07
  4. Step 4: Simplify right side
    111,918.07x = 6,852,750,525.85
  5. Step 5: Solve for x
    x = 6,852,750,525.85/111,918.07
  6. Step 6: Final answer
    x = 61,230.06

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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.