Home / 57,645.26-79,543.38-32,145.65

Finding the Fourth Proportional to 57,645.26, 79,543.38 and 32,145.65

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Solution

The fourth proportional to 57,645.26, 79,543.38 and 32,145.65 is: 44,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,645.26 : 79,543.38 = 32,145.65 : x
  2. Step 2: Convert to fraction form
    57,645.26/79,543.38 = 32,145.65/x
  3. Step 3: Cross multiply
    57,645.26x = 79,543.38 × 32,145.65
  4. Step 4: Simplify right side
    57,645.26x = 2,556,973,653.30
  5. Step 5: Solve for x
    x = 2,556,973,653.30/57,645.26
  6. Step 6: Final answer
    x = 44,357.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.