Home / 86,217.82-119,035.26-59,039.38

Finding the Fourth Proportional to 86,217.82, 119,035.26 and 59,039.38

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Solution

The fourth proportional to 86,217.82, 119,035.26 and 59,039.38 is: 81,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,217.82 : 119,035.26 = 59,039.38 : x
  2. Step 2: Convert to fraction form
    86,217.82/119,035.26 = 59,039.38/x
  3. Step 3: Cross multiply
    86,217.82x = 119,035.26 × 59,039.38
  4. Step 4: Simplify right side
    86,217.82x = 7,027,767,948.54
  5. Step 5: Solve for x
    x = 7,027,767,948.54/86,217.82
  6. Step 6: Final answer
    x = 81,511.78

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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.