Home / 54,887.22-75,743.37-31,013.38

Finding the Fourth Proportional to 54,887.22, 75,743.37 and 31,013.38

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Solution

The fourth proportional to 54,887.22, 75,743.37 and 31,013.38 is: 42,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,887.22 : 75,743.37 = 31,013.38 : x
  2. Step 2: Convert to fraction form
    54,887.22/75,743.37 = 31,013.38/x
  3. Step 3: Cross multiply
    54,887.22x = 75,743.37 × 31,013.38
  4. Step 4: Simplify right side
    54,887.22x = 2,349,057,916.29
  5. Step 5: Solve for x
    x = 2,349,057,916.29/54,887.22
  6. Step 6: Final answer
    x = 42,797.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.