Home / 55,982.68-83,956.76-18,535.04

Finding the Fourth Proportional to 55,982.68, 83,956.76 and 18,535.04

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Solution

The fourth proportional to 55,982.68, 83,956.76 and 18,535.04 is: 27,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,982.68 : 83,956.76 = 18,535.04 : x
  2. Step 2: Convert to fraction form
    55,982.68/83,956.76 = 18,535.04/x
  3. Step 3: Cross multiply
    55,982.68x = 83,956.76 × 18,535.04
  4. Step 4: Simplify right side
    55,982.68x = 1,556,141,904.87
  5. Step 5: Solve for x
    x = 1,556,141,904.87/55,982.68
  6. Step 6: Final answer
    x = 27,796.85

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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.