Home / 49,771.11-74,611.85-18,159.11

Finding the Fourth Proportional to 49,771.11, 74,611.85 and 18,159.11

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Solution

The fourth proportional to 49,771.11, 74,611.85 and 18,159.11 is: 27,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,771.11 : 74,611.85 = 18,159.11 : x
  2. Step 2: Convert to fraction form
    49,771.11/74,611.85 = 18,159.11/x
  3. Step 3: Cross multiply
    49,771.11x = 74,611.85 × 18,159.11
  4. Step 4: Simplify right side
    49,771.11x = 1,354,884,327.60
  5. Step 5: Solve for x
    x = 1,354,884,327.60/49,771.11
  6. Step 6: Final answer
    x = 27,222.30

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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.