Home / 123,629.41-170,608.58-67,040.83

Finding the Fourth Proportional to 123,629.41, 170,608.58 and 67,040.83

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Solution

The fourth proportional to 123,629.41, 170,608.58 and 67,040.83 is: 92,516.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,629.41 : 170,608.58 = 67,040.83 : x
  2. Step 2: Convert to fraction form
    123,629.41/170,608.58 = 67,040.83/x
  3. Step 3: Cross multiply
    123,629.41x = 170,608.58 × 67,040.83
  4. Step 4: Simplify right side
    123,629.41x = 11,437,739,955.28
  5. Step 5: Solve for x
    x = 11,437,739,955.28/123,629.41
  6. Step 6: Final answer
    x = 92,516.34

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1.5x scale

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.