Home / 62,836.70-86,734.88-40,236.59

Finding the Fourth Proportional to 62,836.70, 86,734.88 and 40,236.59

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Solution

The fourth proportional to 62,836.70, 86,734.88 and 40,236.59 is: 55,539.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,836.70 : 86,734.88 = 40,236.59 : x
  2. Step 2: Convert to fraction form
    62,836.70/86,734.88 = 40,236.59/x
  3. Step 3: Cross multiply
    62,836.70x = 86,734.88 × 40,236.59
  4. Step 4: Simplify right side
    62,836.70x = 3,489,915,170.40
  5. Step 5: Solve for x
    x = 3,489,915,170.40/62,836.70
  6. Step 6: Final answer
    x = 55,539.44

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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.