Home / 56,843.28-85,272.70-19,393.30

Finding the Fourth Proportional to 56,843.28, 85,272.70 and 19,393.30

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Solution

The fourth proportional to 56,843.28, 85,272.70 and 19,393.30 is: 29,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,843.28 : 85,272.70 = 19,393.30 : x
  2. Step 2: Convert to fraction form
    56,843.28/85,272.70 = 19,393.30/x
  3. Step 3: Cross multiply
    56,843.28x = 85,272.70 × 19,393.30
  4. Step 4: Simplify right side
    56,843.28x = 1,653,719,052.91
  5. Step 5: Solve for x
    x = 1,653,719,052.91/56,843.28
  6. Step 6: Final answer
    x = 29,092.60

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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.