Home / 56,487.36-84,679.20-19,525.44

Finding the Fourth Proportional to 56,487.36, 84,679.20 and 19,525.44

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Solution

The fourth proportional to 56,487.36, 84,679.20 and 19,525.44 is: 29,270.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,487.36 : 84,679.20 = 19,525.44 : x
  2. Step 2: Convert to fraction form
    56,487.36/84,679.20 = 19,525.44/x
  3. Step 3: Cross multiply
    56,487.36x = 84,679.20 × 19,525.44
  4. Step 4: Simplify right side
    56,487.36x = 1,653,398,638.85
  5. Step 5: Solve for x
    x = 1,653,398,638.85/56,487.36
  6. Step 6: Final answer
    x = 29,270.24

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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.