Home / 75,451.68-104,125.20-41,459.91

Finding the Fourth Proportional to 75,451.68, 104,125.20 and 41,459.91

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Solution

The fourth proportional to 75,451.68, 104,125.20 and 41,459.91 is: 57,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,451.68 : 104,125.20 = 41,459.91 : x
  2. Step 2: Convert to fraction form
    75,451.68/104,125.20 = 41,459.91/x
  3. Step 3: Cross multiply
    75,451.68x = 104,125.20 × 41,459.91
  4. Step 4: Simplify right side
    75,451.68x = 4,317,021,420.73
  5. Step 5: Solve for x
    x = 4,317,021,420.73/75,451.68
  6. Step 6: Final answer
    x = 57,215.71

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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.