Home / 55,843.23-83,775.22-18,405.93

Finding the Fourth Proportional to 55,843.23, 83,775.22 and 18,405.93

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Solution

The fourth proportional to 55,843.23, 83,775.22 and 18,405.93 is: 27,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,843.23 : 83,775.22 = 18,405.93 : x
  2. Step 2: Convert to fraction form
    55,843.23/83,775.22 = 18,405.93/x
  3. Step 3: Cross multiply
    55,843.23x = 83,775.22 × 18,405.93
  4. Step 4: Simplify right side
    55,843.23x = 1,541,960,835.05
  5. Step 5: Solve for x
    x = 1,541,960,835.05/55,843.23
  6. Step 6: Final answer
    x = 27,612.31

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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.