Home / 57,770.26-86,668.35-18,328.66

Finding the Fourth Proportional to 57,770.26, 86,668.35 and 18,328.66

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Solution

The fourth proportional to 57,770.26, 86,668.35 and 18,328.66 is: 27,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,770.26 : 86,668.35 = 18,328.66 : x
  2. Step 2: Convert to fraction form
    57,770.26/86,668.35 = 18,328.66/x
  3. Step 3: Cross multiply
    57,770.26x = 86,668.35 × 18,328.66
  4. Step 4: Simplify right side
    57,770.26x = 1,588,514,719.91
  5. Step 5: Solve for x
    x = 1,588,514,719.91/57,770.26
  6. Step 6: Final answer
    x = 27,497.10

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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.