Home / 54,996.72-75,896.61-31,123.39

Finding the Fourth Proportional to 54,996.72, 75,896.61 and 31,123.39

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Solution

The fourth proportional to 54,996.72, 75,896.61 and 31,123.39 is: 42,950.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,996.72 : 75,896.61 = 31,123.39 : x
  2. Step 2: Convert to fraction form
    54,996.72/75,896.61 = 31,123.39/x
  3. Step 3: Cross multiply
    54,996.72x = 75,896.61 × 31,123.39
  4. Step 4: Simplify right side
    54,996.72x = 2,362,159,602.97
  5. Step 5: Solve for x
    x = 2,362,159,602.97/54,996.72
  6. Step 6: Final answer
    x = 42,950.92

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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.