Home / 86,578.33-129,871.20-33,999.19

Finding the Fourth Proportional to 86,578.33, 129,871.20 and 33,999.19

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Solution

The fourth proportional to 86,578.33, 129,871.20 and 33,999.19 is: 51,000.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,578.33 : 129,871.20 = 33,999.19 : x
  2. Step 2: Convert to fraction form
    86,578.33/129,871.20 = 33,999.19/x
  3. Step 3: Cross multiply
    86,578.33x = 129,871.20 × 33,999.19
  4. Step 4: Simplify right side
    86,578.33x = 4,415,515,604.33
  5. Step 5: Solve for x
    x = 4,415,515,604.33/86,578.33
  6. Step 6: Final answer
    x = 51,000.24

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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.