Home / 86,450.54-129,682.49-33,168.02

Finding the Fourth Proportional to 86,450.54, 129,682.49 and 33,168.02

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Solution

The fourth proportional to 86,450.54, 129,682.49 and 33,168.02 is: 49,754.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,450.54 : 129,682.49 = 33,168.02 : x
  2. Step 2: Convert to fraction form
    86,450.54/129,682.49 = 33,168.02/x
  3. Step 3: Cross multiply
    86,450.54x = 129,682.49 × 33,168.02
  4. Step 4: Simplify right side
    86,450.54x = 4,301,310,607.72
  5. Step 5: Solve for x
    x = 4,301,310,607.72/86,450.54
  6. Step 6: Final answer
    x = 49,754.59

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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.