Home / 43,279.27-64,748.13-32,779.63

Finding the Fourth Proportional to 43,279.27, 64,748.13 and 32,779.63

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Solution

The fourth proportional to 43,279.27, 64,748.13 and 32,779.63 is: 49,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,279.27 : 64,748.13 = 32,779.63 : x
  2. Step 2: Convert to fraction form
    43,279.27/64,748.13 = 32,779.63/x
  3. Step 3: Cross multiply
    43,279.27x = 64,748.13 × 32,779.63
  4. Step 4: Simplify right side
    43,279.27x = 2,122,419,744.59
  5. Step 5: Solve for x
    x = 2,122,419,744.59/43,279.27
  6. Step 6: Final answer
    x = 49,040.10

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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.