Home / 55,291.04-82,936.62-13,738.04

Finding the Fourth Proportional to 55,291.04, 82,936.62 and 13,738.04

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Solution

The fourth proportional to 55,291.04, 82,936.62 and 13,738.04 is: 20,607.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,291.04 : 82,936.62 = 13,738.04 : x
  2. Step 2: Convert to fraction form
    55,291.04/82,936.62 = 13,738.04/x
  3. Step 3: Cross multiply
    55,291.04x = 82,936.62 × 13,738.04
  4. Step 4: Simplify right side
    55,291.04x = 1,139,386,868.56
  5. Step 5: Solve for x
    x = 1,139,386,868.56/55,291.04
  6. Step 6: Final answer
    x = 20,607.08

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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.