Home / 84,779.20-127,183.38-34,886.44

Finding the Fourth Proportional to 84,779.20, 127,183.38 and 34,886.44

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Solution

The fourth proportional to 84,779.20, 127,183.38 and 34,886.44 is: 52,335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,779.20 : 127,183.38 = 34,886.44 : x
  2. Step 2: Convert to fraction form
    84,779.20/127,183.38 = 34,886.44/x
  3. Step 3: Cross multiply
    84,779.20x = 127,183.38 × 34,886.44
  4. Step 4: Simplify right side
    84,779.20x = 4,436,975,355.37
  5. Step 5: Solve for x
    x = 4,436,975,355.37/84,779.20
  6. Step 6: Final answer
    x = 52,335.66

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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.