Home / 54,473.52-81,715.30-21,196.08

Finding the Fourth Proportional to 54,473.52, 81,715.30 and 21,196.08

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Solution

The fourth proportional to 54,473.52, 81,715.30 and 21,196.08 is: 31,796.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,473.52 : 81,715.30 = 21,196.08 : x
  2. Step 2: Convert to fraction form
    54,473.52/81,715.30 = 21,196.08/x
  3. Step 3: Cross multiply
    54,473.52x = 81,715.30 × 21,196.08
  4. Step 4: Simplify right side
    54,473.52x = 1,732,044,036.02
  5. Step 5: Solve for x
    x = 1,732,044,036.02/54,473.52
  6. Step 6: Final answer
    x = 31,796.07

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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.