Home / 84,836.20-127,297.50-34,954.60

Finding the Fourth Proportional to 84,836.20, 127,297.50 and 34,954.60

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Solution

The fourth proportional to 84,836.20, 127,297.50 and 34,954.60 is: 52,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,836.20 : 127,297.50 = 34,954.60 : x
  2. Step 2: Convert to fraction form
    84,836.20/127,297.50 = 34,954.60/x
  3. Step 3: Cross multiply
    84,836.20x = 127,297.50 × 34,954.60
  4. Step 4: Simplify right side
    84,836.20x = 4,449,633,193.50
  5. Step 5: Solve for x
    x = 4,449,633,193.50/84,836.20
  6. Step 6: Final answer
    x = 52,449.70

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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.