Home / 108,542.30-149,786.62-60,795.50

Finding the Fourth Proportional to 108,542.30, 149,786.62 and 60,795.50

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Solution

The fourth proportional to 108,542.30, 149,786.62 and 60,795.50 is: 83,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,542.30 : 149,786.62 = 60,795.50 : x
  2. Step 2: Convert to fraction form
    108,542.30/149,786.62 = 60,795.50/x
  3. Step 3: Cross multiply
    108,542.30x = 149,786.62 × 60,795.50
  4. Step 4: Simplify right side
    108,542.30x = 9,106,351,555.29
  5. Step 5: Solve for x
    x = 9,106,351,555.29/108,542.30
  6. Step 6: Final answer
    x = 83,896.80

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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.