Home / 82,572.06-123,858.09-33,289.50

Finding the Fourth Proportional to 82,572.06, 123,858.09 and 33,289.50

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Solution

The fourth proportional to 82,572.06, 123,858.09 and 33,289.50 is: 49,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,572.06 : 123,858.09 = 33,289.50 : x
  2. Step 2: Convert to fraction form
    82,572.06/123,858.09 = 33,289.50/x
  3. Step 3: Cross multiply
    82,572.06x = 123,858.09 × 33,289.50
  4. Step 4: Simplify right side
    82,572.06x = 4,123,173,887.06
  5. Step 5: Solve for x
    x = 4,123,173,887.06/82,572.06
  6. Step 6: Final answer
    x = 49,934.25

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Double scale
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Similar ratio
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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.