Home / 83,481.15-125,220.40-26,554.25

Finding the Fourth Proportional to 83,481.15, 125,220.40 and 26,554.25

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Solution

The fourth proportional to 83,481.15, 125,220.40 and 26,554.25 is: 39,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,481.15 : 125,220.40 = 26,554.25 : x
  2. Step 2: Convert to fraction form
    83,481.15/125,220.40 = 26,554.25/x
  3. Step 3: Cross multiply
    83,481.15x = 125,220.40 × 26,554.25
  4. Step 4: Simplify right side
    83,481.15x = 3,325,134,152.94
  5. Step 5: Solve for x
    x = 3,325,134,152.94/83,481.15
  6. Step 6: Final answer
    x = 39,830.96

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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.