Home / 55,201.48-82,827.90-23,621.20

Finding the Fourth Proportional to 55,201.48, 82,827.90 and 23,621.20

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Solution

The fourth proportional to 55,201.48, 82,827.90 and 23,621.20 is: 35,442.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,201.48 : 82,827.90 = 23,621.20 : x
  2. Step 2: Convert to fraction form
    55,201.48/82,827.90 = 23,621.20/x
  3. Step 3: Cross multiply
    55,201.48x = 82,827.90 × 23,621.20
  4. Step 4: Simplify right side
    55,201.48x = 1,956,494,391.48
  5. Step 5: Solve for x
    x = 1,956,494,391.48/55,201.48
  6. Step 6: Final answer
    x = 35,442.79

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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.