Home / 105,945.12-158,918.04-35,873.64

Finding the Fourth Proportional to 105,945.12, 158,918.04 and 35,873.64

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Solution

The fourth proportional to 105,945.12, 158,918.04 and 35,873.64 is: 53,810.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,945.12 : 158,918.04 = 35,873.64 : x
  2. Step 2: Convert to fraction form
    105,945.12/158,918.04 = 35,873.64/x
  3. Step 3: Cross multiply
    105,945.12x = 158,918.04 × 35,873.64
  4. Step 4: Simplify right side
    105,945.12x = 5,700,968,556.47
  5. Step 5: Solve for x
    x = 5,700,968,556.47/105,945.12
  6. Step 6: Final answer
    x = 53,810.58

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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.