Home / 83,911.94-125,868.25-33,992.98

Finding the Fourth Proportional to 83,911.94, 125,868.25 and 33,992.98

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Solution

The fourth proportional to 83,911.94, 125,868.25 and 33,992.98 is: 50,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,911.94 : 125,868.25 = 33,992.98 : x
  2. Step 2: Convert to fraction form
    83,911.94/125,868.25 = 33,992.98/x
  3. Step 3: Cross multiply
    83,911.94x = 125,868.25 × 33,992.98
  4. Step 4: Simplify right side
    83,911.94x = 4,278,636,420.25
  5. Step 5: Solve for x
    x = 4,278,636,420.25/83,911.94
  6. Step 6: Final answer
    x = 50,989.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.