Home / 108,913.26-150,282.67-68,072.57

Finding the Fourth Proportional to 108,913.26, 150,282.67 and 68,072.57

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Solution

The fourth proportional to 108,913.26, 150,282.67 and 68,072.57 is: 93,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,913.26 : 150,282.67 = 68,072.57 : x
  2. Step 2: Convert to fraction form
    108,913.26/150,282.67 = 68,072.57/x
  3. Step 3: Cross multiply
    108,913.26x = 150,282.67 × 68,072.57
  4. Step 4: Simplify right side
    108,913.26x = 10,230,127,573.36
  5. Step 5: Solve for x
    x = 10,230,127,573.36/108,913.26
  6. Step 6: Final answer
    x = 93,929.13

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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.