Home / 82,446.23-123,628.39-26,279.03

Finding the Fourth Proportional to 82,446.23, 123,628.39 and 26,279.03

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Solution

The fourth proportional to 82,446.23, 123,628.39 and 26,279.03 is: 39,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,446.23 : 123,628.39 = 26,279.03 : x
  2. Step 2: Convert to fraction form
    82,446.23/123,628.39 = 26,279.03/x
  3. Step 3: Cross multiply
    82,446.23x = 123,628.39 × 26,279.03
  4. Step 4: Simplify right side
    82,446.23x = 3,248,834,169.66
  5. Step 5: Solve for x
    x = 3,248,834,169.66/82,446.23
  6. Step 6: Final answer
    x = 39,405.49

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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.