Home / 54,237.05-81,214.08-43,649.23

Finding the Fourth Proportional to 54,237.05, 81,214.08 and 43,649.23

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Solution

The fourth proportional to 54,237.05, 81,214.08 and 43,649.23 is: 65,359.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,237.05 : 81,214.08 = 43,649.23 : x
  2. Step 2: Convert to fraction form
    54,237.05/81,214.08 = 43,649.23/x
  3. Step 3: Cross multiply
    54,237.05x = 81,214.08 × 43,649.23
  4. Step 4: Simplify right side
    54,237.05x = 3,544,932,057.16
  5. Step 5: Solve for x
    x = 3,544,932,057.16/54,237.05
  6. Step 6: Final answer
    x = 65,359.97

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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.