Home / 75,279.16-103,885.22-41,745.16

Finding the Fourth Proportional to 75,279.16, 103,885.22 and 41,745.16

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Solution

The fourth proportional to 75,279.16, 103,885.22 and 41,745.16 is: 57,608.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,279.16 : 103,885.22 = 41,745.16 : x
  2. Step 2: Convert to fraction form
    75,279.16/103,885.22 = 41,745.16/x
  3. Step 3: Cross multiply
    75,279.16x = 103,885.22 × 41,745.16
  4. Step 4: Simplify right side
    75,279.16x = 4,336,704,611.11
  5. Step 5: Solve for x
    x = 4,336,704,611.11/75,279.16
  6. Step 6: Final answer
    x = 57,608.31

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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.