Home / 56,542.64-84,816.36-19,103.60

Finding the Fourth Proportional to 56,542.64, 84,816.36 and 19,103.60

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Solution

The fourth proportional to 56,542.64, 84,816.36 and 19,103.60 is: 28,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,542.64 : 84,816.36 = 19,103.60 : x
  2. Step 2: Convert to fraction form
    56,542.64/84,816.36 = 19,103.60/x
  3. Step 3: Cross multiply
    56,542.64x = 84,816.36 × 19,103.60
  4. Step 4: Simplify right side
    56,542.64x = 1,620,297,814.90
  5. Step 5: Solve for x
    x = 1,620,297,814.90/56,542.64
  6. Step 6: Final answer
    x = 28,656.21

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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.