Home / 53,428.08-73,732.68-29,557.02

Finding the Fourth Proportional to 53,428.08, 73,732.68 and 29,557.02

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Solution

The fourth proportional to 53,428.08, 73,732.68 and 29,557.02 is: 40,789.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,428.08 : 73,732.68 = 29,557.02 : x
  2. Step 2: Convert to fraction form
    53,428.08/73,732.68 = 29,557.02/x
  3. Step 3: Cross multiply
    53,428.08x = 73,732.68 × 29,557.02
  4. Step 4: Simplify right side
    53,428.08x = 2,179,318,297.41
  5. Step 5: Solve for x
    x = 2,179,318,297.41/53,428.08
  6. Step 6: Final answer
    x = 40,789.76

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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.