Home / 75,135.24-103,686.90-41,601.24

Finding the Fourth Proportional to 75,135.24, 103,686.90 and 41,601.24

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Solution

The fourth proportional to 75,135.24, 103,686.90 and 41,601.24 is: 57,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,135.24 : 103,686.90 = 41,601.24 : x
  2. Step 2: Convert to fraction form
    75,135.24/103,686.90 = 41,601.24/x
  3. Step 3: Cross multiply
    75,135.24x = 103,686.90 × 41,601.24
  4. Step 4: Simplify right side
    75,135.24x = 4,313,503,611.76
  5. Step 5: Solve for x
    x = 4,313,503,611.76/75,135.24
  6. Step 6: Final answer
    x = 57,409.86

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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.