Home / 75,135.27-103,686.44-41,601.27

Finding the Fourth Proportional to 75,135.27, 103,686.44 and 41,601.27

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Solution

The fourth proportional to 75,135.27, 103,686.44 and 41,601.27 is: 57,409.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,135.27 : 103,686.44 = 41,601.27 : x
  2. Step 2: Convert to fraction form
    75,135.27/103,686.44 = 41,601.27/x
  3. Step 3: Cross multiply
    75,135.27x = 103,686.44 × 41,601.27
  4. Step 4: Simplify right side
    75,135.27x = 4,313,487,377.77
  5. Step 5: Solve for x
    x = 4,313,487,377.77/75,135.27
  6. Step 6: Final answer
    x = 57,409.62

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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.