Home / 54,077.16-81,151.90-19,016.68

Finding the Fourth Proportional to 54,077.16, 81,151.90 and 19,016.68

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Solution

The fourth proportional to 54,077.16, 81,151.90 and 19,016.68 is: 28,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,077.16 : 81,151.90 = 19,016.68 : x
  2. Step 2: Convert to fraction form
    54,077.16/81,151.90 = 19,016.68/x
  3. Step 3: Cross multiply
    54,077.16x = 81,151.90 × 19,016.68
  4. Step 4: Simplify right side
    54,077.16x = 1,543,239,713.69
  5. Step 5: Solve for x
    x = 1,543,239,713.69/54,077.16
  6. Step 6: Final answer
    x = 28,537.74

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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.