Home / 108,913.02-150,282.32-68,072.33

Finding the Fourth Proportional to 108,913.02, 150,282.32 and 68,072.33

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Solution

The fourth proportional to 108,913.02, 150,282.32 and 68,072.33 is: 93,928.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,913.02 : 150,282.32 = 68,072.33 : x
  2. Step 2: Convert to fraction form
    108,913.02/150,282.32 = 68,072.33/x
  3. Step 3: Cross multiply
    108,913.02x = 150,282.32 × 68,072.33
  4. Step 4: Simplify right side
    108,913.02x = 10,230,067,680.21
  5. Step 5: Solve for x
    x = 10,230,067,680.21/108,913.02
  6. Step 6: Final answer
    x = 93,928.79

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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.