Home / 57,713.20-86,634.60-44,623.60

Finding the Fourth Proportional to 57,713.20, 86,634.60 and 44,623.60

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Solution

The fourth proportional to 57,713.20, 86,634.60 and 44,623.60 is: 66,985.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,713.20 : 86,634.60 = 44,623.60 : x
  2. Step 2: Convert to fraction form
    57,713.20/86,634.60 = 44,623.60/x
  3. Step 3: Cross multiply
    57,713.20x = 86,634.60 × 44,623.60
  4. Step 4: Simplify right side
    57,713.20x = 3,865,947,736.56
  5. Step 5: Solve for x
    x = 3,865,947,736.56/57,713.20
  6. Step 6: Final answer
    x = 66,985.50

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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.