Home / 55,909.23-83,902.73-36,138.75

Finding the Fourth Proportional to 55,909.23, 83,902.73 and 36,138.75

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Solution

The fourth proportional to 55,909.23, 83,902.73 and 36,138.75 is: 54,233.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,909.23 : 83,902.73 = 36,138.75 : x
  2. Step 2: Convert to fraction form
    55,909.23/83,902.73 = 36,138.75/x
  3. Step 3: Cross multiply
    55,909.23x = 83,902.73 × 36,138.75
  4. Step 4: Simplify right side
    55,909.23x = 3,032,139,603.09
  5. Step 5: Solve for x
    x = 3,032,139,603.09/55,909.23
  6. Step 6: Final answer
    x = 54,233.26

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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.