Home / 83,949.45-125,893.93-27,779.19

Finding the Fourth Proportional to 83,949.45, 125,893.93 and 27,779.19

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Solution

The fourth proportional to 83,949.45, 125,893.93 and 27,779.19 is: 41,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,949.45 : 125,893.93 = 27,779.19 : x
  2. Step 2: Convert to fraction form
    83,949.45/125,893.93 = 27,779.19/x
  3. Step 3: Cross multiply
    83,949.45x = 125,893.93 × 27,779.19
  4. Step 4: Simplify right side
    83,949.45x = 3,497,230,632.95
  5. Step 5: Solve for x
    x = 3,497,230,632.95/83,949.45
  6. Step 6: Final answer
    x = 41,658.77

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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.