Home / 56,132.40-84,198.60-54,164.10

Finding the Fourth Proportional to 56,132.40, 84,198.60 and 54,164.10

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Solution

The fourth proportional to 56,132.40, 84,198.60 and 54,164.10 is: 81,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,132.40 : 84,198.60 = 54,164.10 : x
  2. Step 2: Convert to fraction form
    56,132.40/84,198.60 = 54,164.10/x
  3. Step 3: Cross multiply
    56,132.40x = 84,198.60 × 54,164.10
  4. Step 4: Simplify right side
    56,132.40x = 4,560,541,390.26
  5. Step 5: Solve for x
    x = 4,560,541,390.26/56,132.40
  6. Step 6: Final answer
    x = 81,246.15

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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.