Home / 75,723.08-104,498.55-41,732.78

Finding the Fourth Proportional to 75,723.08, 104,498.55 and 41,732.78

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Solution

The fourth proportional to 75,723.08, 104,498.55 and 41,732.78 is: 57,591.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,723.08 : 104,498.55 = 41,732.78 : x
  2. Step 2: Convert to fraction form
    75,723.08/104,498.55 = 41,732.78/x
  3. Step 3: Cross multiply
    75,723.08x = 104,498.55 × 41,732.78
  4. Step 4: Simplify right side
    75,723.08x = 4,361,014,474.98
  5. Step 5: Solve for x
    x = 4,361,014,474.98/75,723.08
  6. Step 6: Final answer
    x = 57,591.62

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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.