Home / 55,118.13-82,682.64-17,668.77

Finding the Fourth Proportional to 55,118.13, 82,682.64 and 17,668.77

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Solution

The fourth proportional to 55,118.13, 82,682.64 and 17,668.77 is: 26,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,118.13 : 82,682.64 = 17,668.77 : x
  2. Step 2: Convert to fraction form
    55,118.13/82,682.64 = 17,668.77/x
  3. Step 3: Cross multiply
    55,118.13x = 82,682.64 × 17,668.77
  4. Step 4: Simplify right side
    55,118.13x = 1,460,900,549.15
  5. Step 5: Solve for x
    x = 1,460,900,549.15/55,118.13
  6. Step 6: Final answer
    x = 26,504.90

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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.