Home / 75,778.20-104,573.70-43,965.72

Finding the Fourth Proportional to 75,778.20, 104,573.70 and 43,965.72

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Solution

The fourth proportional to 75,778.20, 104,573.70 and 43,965.72 is: 60,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,778.20 : 104,573.70 = 43,965.72 : x
  2. Step 2: Convert to fraction form
    75,778.20/104,573.70 = 43,965.72/x
  3. Step 3: Cross multiply
    75,778.20x = 104,573.70 × 43,965.72
  4. Step 4: Simplify right side
    75,778.20x = 4,597,658,013.56
  5. Step 5: Solve for x
    x = 4,597,658,013.56/75,778.20
  6. Step 6: Final answer
    x = 60,672.57

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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.