Home / 55,667.64-83,503.28-18,229.86

Finding the Fourth Proportional to 55,667.64, 83,503.28 and 18,229.86

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Solution

The fourth proportional to 55,667.64, 83,503.28 and 18,229.86 is: 27,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,667.64 : 83,503.28 = 18,229.86 : x
  2. Step 2: Convert to fraction form
    55,667.64/83,503.28 = 18,229.86/x
  3. Step 3: Cross multiply
    55,667.64x = 83,503.28 × 18,229.86
  4. Step 4: Simplify right side
    55,667.64x = 1,522,253,012.79
  5. Step 5: Solve for x
    x = 1,522,253,012.79/55,667.64
  6. Step 6: Final answer
    x = 27,345.38

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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.