Home / 75,115.70-103,660.89-41,123.62

Finding the Fourth Proportional to 75,115.70, 103,660.89 and 41,123.62

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Solution

The fourth proportional to 75,115.70, 103,660.89 and 41,123.62 is: 56,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,115.70 : 103,660.89 = 41,123.62 : x
  2. Step 2: Convert to fraction form
    75,115.70/103,660.89 = 41,123.62/x
  3. Step 3: Cross multiply
    75,115.70x = 103,660.89 × 41,123.62
  4. Step 4: Simplify right side
    75,115.70x = 4,262,910,790.07
  5. Step 5: Solve for x
    x = 4,262,910,790.07/75,115.70
  6. Step 6: Final answer
    x = 56,751.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.