Home / 55,845.83-83,779.13-18,408.53

Finding the Fourth Proportional to 55,845.83, 83,779.13 and 18,408.53

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Solution

The fourth proportional to 55,845.83, 83,779.13 and 18,408.53 is: 27,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,845.83 : 83,779.13 = 18,408.53 : x
  2. Step 2: Convert to fraction form
    55,845.83/83,779.13 = 18,408.53/x
  3. Step 3: Cross multiply
    55,845.83x = 83,779.13 × 18,408.53
  4. Step 4: Simplify right side
    55,845.83x = 1,542,250,117.04
  5. Step 5: Solve for x
    x = 1,542,250,117.04/55,845.83
  6. Step 6: Final answer
    x = 27,616.21

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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.