Home / 55,121.92-82,690.61-17,673.19

Finding the Fourth Proportional to 55,121.92, 82,690.61 and 17,673.19

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Solution

The fourth proportional to 55,121.92, 82,690.61 and 17,673.19 is: 26,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,121.92 : 82,690.61 = 17,673.19 : x
  2. Step 2: Convert to fraction form
    55,121.92/82,690.61 = 17,673.19/x
  3. Step 3: Cross multiply
    55,121.92x = 82,690.61 × 17,673.19
  4. Step 4: Simplify right side
    55,121.92x = 1,461,406,566.65
  5. Step 5: Solve for x
    x = 1,461,406,566.65/55,121.92
  6. Step 6: Final answer
    x = 26,512.26

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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.