Home / 123,687.49-170,583.38-95,076.41

Finding the Fourth Proportional to 123,687.49, 170,583.38 and 95,076.41

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Solution

The fourth proportional to 123,687.49, 170,583.38 and 95,076.41 is: 131,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,687.49 : 170,583.38 = 95,076.41 : x
  2. Step 2: Convert to fraction form
    123,687.49/170,583.38 = 95,076.41/x
  3. Step 3: Cross multiply
    123,687.49x = 170,583.38 × 95,076.41
  4. Step 4: Simplify right side
    123,687.49x = 16,218,455,017.77
  5. Step 5: Solve for x
    x = 16,218,455,017.77/123,687.49
  6. Step 6: Final answer
    x = 131,124.45

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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.