Home / 55,890.15-83,817.44-18,443.25

Finding the Fourth Proportional to 55,890.15, 83,817.44 and 18,443.25

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Solution

The fourth proportional to 55,890.15, 83,817.44 and 18,443.25 is: 27,659.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,890.15 : 83,817.44 = 18,443.25 : x
  2. Step 2: Convert to fraction form
    55,890.15/83,817.44 = 18,443.25/x
  3. Step 3: Cross multiply
    55,890.15x = 83,817.44 × 18,443.25
  4. Step 4: Simplify right side
    55,890.15x = 1,545,866,000.28
  5. Step 5: Solve for x
    x = 1,545,866,000.28/55,890.15
  6. Step 6: Final answer
    x = 27,659.01

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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.