Home / 55,221.89-82,824.53-17,776.98

Finding the Fourth Proportional to 55,221.89, 82,824.53 and 17,776.98

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Solution

The fourth proportional to 55,221.89, 82,824.53 and 17,776.98 is: 26,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,221.89 : 82,824.53 = 17,776.98 : x
  2. Step 2: Convert to fraction form
    55,221.89/82,824.53 = 17,776.98/x
  3. Step 3: Cross multiply
    55,221.89x = 82,824.53 × 17,776.98
  4. Step 4: Simplify right side
    55,221.89x = 1,472,369,924.43
  5. Step 5: Solve for x
    x = 1,472,369,924.43/55,221.89
  6. Step 6: Final answer
    x = 26,662.80

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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.