Home / 75,004.20-103,505.90-41,012.84

Finding the Fourth Proportional to 75,004.20, 103,505.90 and 41,012.84

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Solution

The fourth proportional to 75,004.20, 103,505.90 and 41,012.84 is: 56,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,004.20 : 103,505.90 = 41,012.84 : x
  2. Step 2: Convert to fraction form
    75,004.20/103,505.90 = 41,012.84/x
  3. Step 3: Cross multiply
    75,004.20x = 103,505.90 × 41,012.84
  4. Step 4: Simplify right side
    75,004.20x = 4,245,070,915.76
  5. Step 5: Solve for x
    x = 4,245,070,915.76/75,004.20
  6. Step 6: Final answer
    x = 56,597.78

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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.