Home / 108,961.67-150,313.70-68,656.07

Finding the Fourth Proportional to 108,961.67, 150,313.70 and 68,656.07

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Solution

The fourth proportional to 108,961.67, 150,313.70 and 68,656.07 is: 94,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,961.67 : 150,313.70 = 68,656.07 : x
  2. Step 2: Convert to fraction form
    108,961.67/150,313.70 = 68,656.07/x
  3. Step 3: Cross multiply
    108,961.67x = 150,313.70 × 68,656.07
  4. Step 4: Simplify right side
    108,961.67x = 10,319,947,329.23
  5. Step 5: Solve for x
    x = 10,319,947,329.23/108,961.67
  6. Step 6: Final answer
    x = 94,711.73

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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.