Home / 53,290.59-79,919.23-17,743.61

Finding the Fourth Proportional to 53,290.59, 79,919.23 and 17,743.61

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Solution

The fourth proportional to 53,290.59, 79,919.23 and 17,743.61 is: 26,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,290.59 : 79,919.23 = 17,743.61 : x
  2. Step 2: Convert to fraction form
    53,290.59/79,919.23 = 17,743.61/x
  3. Step 3: Cross multiply
    53,290.59x = 79,919.23 × 17,743.61
  4. Step 4: Simplify right side
    53,290.59x = 1,418,055,204.67
  5. Step 5: Solve for x
    x = 1,418,055,204.67/53,290.59
  6. Step 6: Final answer
    x = 26,609.86

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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.