Home / 82,085.19-123,105.87-22,910.46

Finding the Fourth Proportional to 82,085.19, 123,105.87 and 22,910.46

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Solution

The fourth proportional to 82,085.19, 123,105.87 and 22,910.46 is: 34,359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,085.19 : 123,105.87 = 22,910.46 : x
  2. Step 2: Convert to fraction form
    82,085.19/123,105.87 = 22,910.46/x
  3. Step 3: Cross multiply
    82,085.19x = 123,105.87 × 22,910.46
  4. Step 4: Simplify right side
    82,085.19x = 2,820,412,110.40
  5. Step 5: Solve for x
    x = 2,820,412,110.40/82,085.19
  6. Step 6: Final answer
    x = 34,359.57

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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.