Home / 55,184.39-82,788.92-20,124.04

Finding the Fourth Proportional to 55,184.39, 82,788.92 and 20,124.04

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Solution

The fourth proportional to 55,184.39, 82,788.92 and 20,124.04 is: 30,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,184.39 : 82,788.92 = 20,124.04 : x
  2. Step 2: Convert to fraction form
    55,184.39/82,788.92 = 20,124.04/x
  3. Step 3: Cross multiply
    55,184.39x = 82,788.92 × 20,124.04
  4. Step 4: Simplify right side
    55,184.39x = 1,666,047,537.64
  5. Step 5: Solve for x
    x = 1,666,047,537.64/55,184.39
  6. Step 6: Final answer
    x = 30,190.56

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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.