Home / 75,741.72-104,523.69-43,929.12

Finding the Fourth Proportional to 75,741.72, 104,523.69 and 43,929.12

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Solution

The fourth proportional to 75,741.72, 104,523.69 and 43,929.12 is: 60,622.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,741.72 : 104,523.69 = 43,929.12 : x
  2. Step 2: Convert to fraction form
    75,741.72/104,523.69 = 43,929.12/x
  3. Step 3: Cross multiply
    75,741.72x = 104,523.69 × 43,929.12
  4. Step 4: Simplify right side
    75,741.72x = 4,591,633,720.85
  5. Step 5: Solve for x
    x = 4,591,633,720.85/75,741.72
  6. Step 6: Final answer
    x = 60,622.25

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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.