Home / 55,899.05-83,830.77-18,452.15

Finding the Fourth Proportional to 55,899.05, 83,830.77 and 18,452.15

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Solution

The fourth proportional to 55,899.05, 83,830.77 and 18,452.15 is: 27,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,899.05 : 83,830.77 = 18,452.15 : x
  2. Step 2: Convert to fraction form
    55,899.05/83,830.77 = 18,452.15/x
  3. Step 3: Cross multiply
    55,899.05x = 83,830.77 × 18,452.15
  4. Step 4: Simplify right side
    55,899.05x = 1,546,857,942.66
  5. Step 5: Solve for x
    x = 1,546,857,942.66/55,899.05
  6. Step 6: Final answer
    x = 27,672.35

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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.