Home / 54,108.81-81,119.51-22,542.65

Finding the Fourth Proportional to 54,108.81, 81,119.51 and 22,542.65

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Solution

The fourth proportional to 54,108.81, 81,119.51 and 22,542.65 is: 33,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,108.81 : 81,119.51 = 22,542.65 : x
  2. Step 2: Convert to fraction form
    54,108.81/81,119.51 = 22,542.65/x
  3. Step 3: Cross multiply
    54,108.81x = 81,119.51 × 22,542.65
  4. Step 4: Simplify right side
    54,108.81x = 1,828,648,592.52
  5. Step 5: Solve for x
    x = 1,828,648,592.52/54,108.81
  6. Step 6: Final answer
    x = 33,795.76

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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.