Home / 54,174.48-81,247.16-19,109.52

Finding the Fourth Proportional to 54,174.48, 81,247.16 and 19,109.52

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Solution

The fourth proportional to 54,174.48, 81,247.16 and 19,109.52 is: 28,659.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,174.48 : 81,247.16 = 19,109.52 : x
  2. Step 2: Convert to fraction form
    54,174.48/81,247.16 = 19,109.52/x
  3. Step 3: Cross multiply
    54,174.48x = 81,247.16 × 19,109.52
  4. Step 4: Simplify right side
    54,174.48x = 1,552,594,228.96
  5. Step 5: Solve for x
    x = 1,552,594,228.96/54,174.48
  6. Step 6: Final answer
    x = 28,659.14

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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.