Home / 55,890.14-83,817.42-18,443.23

Finding the Fourth Proportional to 55,890.14, 83,817.42 and 18,443.23

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Solution

The fourth proportional to 55,890.14, 83,817.42 and 18,443.23 is: 27,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,890.14 : 83,817.42 = 18,443.23 : x
  2. Step 2: Convert to fraction form
    55,890.14/83,817.42 = 18,443.23/x
  3. Step 3: Cross multiply
    55,890.14x = 83,817.42 × 18,443.23
  4. Step 4: Simplify right side
    55,890.14x = 1,545,863,955.07
  5. Step 5: Solve for x
    x = 1,545,863,955.07/55,890.14
  6. Step 6: Final answer
    x = 27,658.97

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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.