Home / 55,814.28-83,731.77-18,376.62

Finding the Fourth Proportional to 55,814.28, 83,731.77 and 18,376.62

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Solution

The fourth proportional to 55,814.28, 83,731.77 and 18,376.62 is: 27,568.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,814.28 : 83,731.77 = 18,376.62 : x
  2. Step 2: Convert to fraction form
    55,814.28/83,731.77 = 18,376.62/x
  3. Step 3: Cross multiply
    55,814.28x = 83,731.77 × 18,376.62
  4. Step 4: Simplify right side
    55,814.28x = 1,538,706,919.22
  5. Step 5: Solve for x
    x = 1,538,706,919.22/55,814.28
  6. Step 6: Final answer
    x = 27,568.34

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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.