Home / 84,823.92-127,279.60-34,940.88

Finding the Fourth Proportional to 84,823.92, 127,279.60 and 34,940.88

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Solution

The fourth proportional to 84,823.92, 127,279.60 and 34,940.88 is: 52,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,823.92 : 127,279.60 = 34,940.88 : x
  2. Step 2: Convert to fraction form
    84,823.92/127,279.60 = 34,940.88/x
  3. Step 3: Cross multiply
    84,823.92x = 127,279.60 × 34,940.88
  4. Step 4: Simplify right side
    84,823.92x = 4,447,261,230.05
  5. Step 5: Solve for x
    x = 4,447,261,230.05/84,823.92
  6. Step 6: Final answer
    x = 52,429.33

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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.