Home / 55,747.19-83,620.05-13,627.64

Finding the Fourth Proportional to 55,747.19, 83,620.05 and 13,627.64

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Solution

The fourth proportional to 55,747.19, 83,620.05 and 13,627.64 is: 20,441.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,747.19 : 83,620.05 = 13,627.64 : x
  2. Step 2: Convert to fraction form
    55,747.19/83,620.05 = 13,627.64/x
  3. Step 3: Cross multiply
    55,747.19x = 83,620.05 × 13,627.64
  4. Step 4: Simplify right side
    55,747.19x = 1,139,543,625.77
  5. Step 5: Solve for x
    x = 1,139,543,625.77/55,747.19
  6. Step 6: Final answer
    x = 20,441.28

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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.