Home / 85,382.00-128,070.41-22,200.73

Finding the Fourth Proportional to 85,382.00, 128,070.41 and 22,200.73

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Solution

The fourth proportional to 85,382.00, 128,070.41 and 22,200.73 is: 33,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,382.00 : 128,070.41 = 22,200.73 : x
  2. Step 2: Convert to fraction form
    85,382.00/128,070.41 = 22,200.73/x
  3. Step 3: Cross multiply
    85,382.00x = 128,070.41 × 22,200.73
  4. Step 4: Simplify right side
    85,382.00x = 2,843,256,882.62
  5. Step 5: Solve for x
    x = 2,843,256,882.62/85,382.00
  6. Step 6: Final answer
    x = 33,300.42

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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.