Home / 86,039.82-129,059.73-33,461.60

Finding the Fourth Proportional to 86,039.82, 129,059.73 and 33,461.60

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Solution

The fourth proportional to 86,039.82, 129,059.73 and 33,461.60 is: 50,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,039.82 : 129,059.73 = 33,461.60 : x
  2. Step 2: Convert to fraction form
    86,039.82/129,059.73 = 33,461.60/x
  3. Step 3: Cross multiply
    86,039.82x = 129,059.73 × 33,461.60
  4. Step 4: Simplify right side
    86,039.82x = 4,318,544,416.07
  5. Step 5: Solve for x
    x = 4,318,544,416.07/86,039.82
  6. Step 6: Final answer
    x = 50,192.39

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.