Home / 75,728.35-104,500.86-41,736.74

Finding the Fourth Proportional to 75,728.35, 104,500.86 and 41,736.74

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Solution

The fourth proportional to 75,728.35, 104,500.86 and 41,736.74 is: 57,594.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,728.35 : 104,500.86 = 41,736.74 : x
  2. Step 2: Convert to fraction form
    75,728.35/104,500.86 = 41,736.74/x
  3. Step 3: Cross multiply
    75,728.35x = 104,500.86 × 41,736.74
  4. Step 4: Simplify right side
    75,728.35x = 4,361,524,805.43
  5. Step 5: Solve for x
    x = 4,361,524,805.43/75,728.35
  6. Step 6: Final answer
    x = 57,594.34

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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.