Home / 108,725.07-150,045.65-67,913.36

Finding the Fourth Proportional to 108,725.07, 150,045.65 and 67,913.36

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Solution

The fourth proportional to 108,725.07, 150,045.65 and 67,913.36 is: 93,723.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,725.07 : 150,045.65 = 67,913.36 : x
  2. Step 2: Convert to fraction form
    108,725.07/150,045.65 = 67,913.36/x
  3. Step 3: Cross multiply
    108,725.07x = 150,045.65 × 67,913.36
  4. Step 4: Simplify right side
    108,725.07x = 10,190,104,244.88
  5. Step 5: Solve for x
    x = 10,190,104,244.88/108,725.07
  6. Step 6: Final answer
    x = 93,723.59

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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.