Home / 54,088.30-81,022.28-44,128.54

Finding the Fourth Proportional to 54,088.30, 81,022.28 and 44,128.54

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Solution

The fourth proportional to 54,088.30, 81,022.28 and 44,128.54 is: 66,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,088.30 : 81,022.28 = 44,128.54 : x
  2. Step 2: Convert to fraction form
    54,088.30/81,022.28 = 44,128.54/x
  3. Step 3: Cross multiply
    54,088.30x = 81,022.28 × 44,128.54
  4. Step 4: Simplify right side
    54,088.30x = 3,575,394,298.12
  5. Step 5: Solve for x
    x = 3,575,394,298.12/54,088.30
  6. Step 6: Final answer
    x = 66,102.92

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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.