Home / 83,911.40-125,867.43-33,992.43

Finding the Fourth Proportional to 83,911.40, 125,867.43 and 33,992.43

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Solution

The fourth proportional to 83,911.40, 125,867.43 and 33,992.43 is: 50,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,911.40 : 125,867.43 = 33,992.43 : x
  2. Step 2: Convert to fraction form
    83,911.40/125,867.43 = 33,992.43/x
  3. Step 3: Cross multiply
    83,911.40x = 125,867.43 × 33,992.43
  4. Step 4: Simplify right side
    83,911.40x = 4,278,539,803.55
  5. Step 5: Solve for x
    x = 4,278,539,803.55/83,911.40
  6. Step 6: Final answer
    x = 50,988.78

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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.