Home / 75,485.61-104,074.07-47,180.97

Finding the Fourth Proportional to 75,485.61, 104,074.07 and 47,180.97

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Solution

The fourth proportional to 75,485.61, 104,074.07 and 47,180.97 is: 65,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,485.61 : 104,074.07 = 47,180.97 : x
  2. Step 2: Convert to fraction form
    75,485.61/104,074.07 = 47,180.97/x
  3. Step 3: Cross multiply
    75,485.61x = 104,074.07 × 47,180.97
  4. Step 4: Simplify right side
    75,485.61x = 4,910,315,338.54
  5. Step 5: Solve for x
    x = 4,910,315,338.54/75,485.61
  6. Step 6: Final answer
    x = 65,049.69

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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.