Home / 88,913.43-122,745.14-68,724.72

Finding the Fourth Proportional to 88,913.43, 122,745.14 and 68,724.72

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Solution

The fourth proportional to 88,913.43, 122,745.14 and 68,724.72 is: 94,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,913.43 : 122,745.14 = 68,724.72 : x
  2. Step 2: Convert to fraction form
    88,913.43/122,745.14 = 68,724.72/x
  3. Step 3: Cross multiply
    88,913.43x = 122,745.14 × 68,724.72
  4. Step 4: Simplify right side
    88,913.43x = 8,435,625,034.24
  5. Step 5: Solve for x
    x = 8,435,625,034.24/88,913.43
  6. Step 6: Final answer
    x = 94,874.59

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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.