Home / 83,821.10-125,622.30-33,860.30

Finding the Fourth Proportional to 83,821.10, 125,622.30 and 33,860.30

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Solution

The fourth proportional to 83,821.10, 125,622.30 and 33,860.30 is: 50,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,821.10 : 125,622.30 = 33,860.30 : x
  2. Step 2: Convert to fraction form
    83,821.10/125,622.30 = 33,860.30/x
  3. Step 3: Cross multiply
    83,821.10x = 125,622.30 × 33,860.30
  4. Step 4: Simplify right side
    83,821.10x = 4,253,608,764.69
  5. Step 5: Solve for x
    x = 4,253,608,764.69/83,821.10
  6. Step 6: Final answer
    x = 50,746.28

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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.