Home / 55,120.04-82,692.54-20,059.88

Finding the Fourth Proportional to 55,120.04, 82,692.54 and 20,059.88

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Solution

The fourth proportional to 55,120.04, 82,692.54 and 20,059.88 is: 30,094.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,120.04 : 82,692.54 = 20,059.88 : x
  2. Step 2: Convert to fraction form
    55,120.04/82,692.54 = 20,059.88/x
  3. Step 3: Cross multiply
    55,120.04x = 82,692.54 × 20,059.88
  4. Step 4: Simplify right side
    55,120.04x = 1,658,802,429.30
  5. Step 5: Solve for x
    x = 1,658,802,429.30/55,120.04
  6. Step 6: Final answer
    x = 30,094.36

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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.