Home / 54,672.08-82,012.98-21,394.60

Finding the Fourth Proportional to 54,672.08, 82,012.98 and 21,394.60

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Solution

The fourth proportional to 54,672.08, 82,012.98 and 21,394.60 is: 32,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,672.08 : 82,012.98 = 21,394.60 : x
  2. Step 2: Convert to fraction form
    54,672.08/82,012.98 = 21,394.60/x
  3. Step 3: Cross multiply
    54,672.08x = 82,012.98 × 21,394.60
  4. Step 4: Simplify right side
    54,672.08x = 1,754,634,901.91
  5. Step 5: Solve for x
    x = 1,754,634,901.91/54,672.08
  6. Step 6: Final answer
    x = 32,093.80

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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.