Home / 75,063.75-103,591.22-41,529.75

Finding the Fourth Proportional to 75,063.75, 103,591.22 and 41,529.75

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Solution

The fourth proportional to 75,063.75, 103,591.22 and 41,529.75 is: 57,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,063.75 : 103,591.22 = 41,529.75 : x
  2. Step 2: Convert to fraction form
    75,063.75/103,591.22 = 41,529.75/x
  3. Step 3: Cross multiply
    75,063.75x = 103,591.22 × 41,529.75
  4. Step 4: Simplify right side
    75,063.75x = 4,302,117,261.15
  5. Step 5: Solve for x
    x = 4,302,117,261.15/75,063.75
  6. Step 6: Final answer
    x = 57,312.85

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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.