Home / 55,113.12-82,682.18-17,675.80

Finding the Fourth Proportional to 55,113.12, 82,682.18 and 17,675.80

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Solution

The fourth proportional to 55,113.12, 82,682.18 and 17,675.80 is: 26,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,113.12 : 82,682.18 = 17,675.80 : x
  2. Step 2: Convert to fraction form
    55,113.12/82,682.18 = 17,675.80/x
  3. Step 3: Cross multiply
    55,113.12x = 82,682.18 × 17,675.80
  4. Step 4: Simplify right side
    55,113.12x = 1,461,473,677.24
  5. Step 5: Solve for x
    x = 1,461,473,677.24/55,113.12
  6. Step 6: Final answer
    x = 26,517.71

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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.