Home / 82,189.60-123,285.24-26,028.68

Finding the Fourth Proportional to 82,189.60, 123,285.24 and 26,028.68

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Solution

The fourth proportional to 82,189.60, 123,285.24 and 26,028.68 is: 39,043.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,189.60 : 123,285.24 = 26,028.68 : x
  2. Step 2: Convert to fraction form
    82,189.60/123,285.24 = 26,028.68/x
  3. Step 3: Cross multiply
    82,189.60x = 123,285.24 × 26,028.68
  4. Step 4: Simplify right side
    82,189.60x = 3,208,952,060.68
  5. Step 5: Solve for x
    x = 3,208,952,060.68/82,189.60
  6. Step 6: Final answer
    x = 39,043.29

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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.