Home / 57,644.11-86,462.66-21,613.45

Finding the Fourth Proportional to 57,644.11, 86,462.66 and 21,613.45

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Solution

The fourth proportional to 57,644.11, 86,462.66 and 21,613.45 is: 32,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,644.11 : 86,462.66 = 21,613.45 : x
  2. Step 2: Convert to fraction form
    57,644.11/86,462.66 = 21,613.45/x
  3. Step 3: Cross multiply
    57,644.11x = 86,462.66 × 21,613.45
  4. Step 4: Simplify right side
    57,644.11x = 1,868,756,216.65
  5. Step 5: Solve for x
    x = 1,868,756,216.65/57,644.11
  6. Step 6: Final answer
    x = 32,418.86

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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.