Home / 83,136.06-124,628.58-33,205.50

Finding the Fourth Proportional to 83,136.06, 124,628.58 and 33,205.50

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Solution

The fourth proportional to 83,136.06, 124,628.58 and 33,205.50 is: 49,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,136.06 : 124,628.58 = 33,205.50 : x
  2. Step 2: Convert to fraction form
    83,136.06/124,628.58 = 33,205.50/x
  3. Step 3: Cross multiply
    83,136.06x = 124,628.58 × 33,205.50
  4. Step 4: Simplify right side
    83,136.06x = 4,138,354,313.19
  5. Step 5: Solve for x
    x = 4,138,354,313.19/83,136.06
  6. Step 6: Final answer
    x = 49,778.09

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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.