Home / 86,583.10-129,891.40-33,271.06

Finding the Fourth Proportional to 86,583.10, 129,891.40 and 33,271.06

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Solution

The fourth proportional to 86,583.10, 129,891.40 and 33,271.06 is: 49,913.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,583.10 : 129,891.40 = 33,271.06 : x
  2. Step 2: Convert to fraction form
    86,583.10/129,891.40 = 33,271.06/x
  3. Step 3: Cross multiply
    86,583.10x = 129,891.40 × 33,271.06
  4. Step 4: Simplify right side
    86,583.10x = 4,321,624,562.88
  5. Step 5: Solve for x
    x = 4,321,624,562.88/86,583.10
  6. Step 6: Final answer
    x = 49,913.03

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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.