Home / 43,392.34-65,125.50-17,115.54

Finding the Fourth Proportional to 43,392.34, 65,125.50 and 17,115.54

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Solution

The fourth proportional to 43,392.34, 65,125.50 and 17,115.54 is: 25,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,392.34 : 65,125.50 = 17,115.54 : x
  2. Step 2: Convert to fraction form
    43,392.34/65,125.50 = 17,115.54/x
  3. Step 3: Cross multiply
    43,392.34x = 65,125.50 × 17,115.54
  4. Step 4: Simplify right side
    43,392.34x = 1,114,657,791.87
  5. Step 5: Solve for x
    x = 1,114,657,791.87/43,392.34
  6. Step 6: Final answer
    x = 25,687.89

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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.