Home / 126,017.38-173,903.46-68,656.54

Finding the Fourth Proportional to 126,017.38, 173,903.46 and 68,656.54

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Solution

The fourth proportional to 126,017.38, 173,903.46 and 68,656.54 is: 94,745.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,017.38 : 173,903.46 = 68,656.54 : x
  2. Step 2: Convert to fraction form
    126,017.38/173,903.46 = 68,656.54/x
  3. Step 3: Cross multiply
    126,017.38x = 173,903.46 × 68,656.54
  4. Step 4: Simplify right side
    126,017.38x = 11,939,608,988.11
  5. Step 5: Solve for x
    x = 11,939,608,988.11/126,017.38
  6. Step 6: Final answer
    x = 94,745.74

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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.