Home / 75,688.82-104,449.25-43,860.68

Finding the Fourth Proportional to 75,688.82, 104,449.25 and 43,860.68

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Solution

The fourth proportional to 75,688.82, 104,449.25 and 43,860.68 is: 60,526.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,688.82 : 104,449.25 = 43,860.68 : x
  2. Step 2: Convert to fraction form
    75,688.82/104,449.25 = 43,860.68/x
  3. Step 3: Cross multiply
    75,688.82x = 104,449.25 × 43,860.68
  4. Step 4: Simplify right side
    75,688.82x = 4,581,214,388.94
  5. Step 5: Solve for x
    x = 4,581,214,388.94/75,688.82
  6. Step 6: Final answer
    x = 60,526.97

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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.