Home / 56,107.52-84,146.72-16,655.36

Finding the Fourth Proportional to 56,107.52, 84,146.72 and 16,655.36

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Solution

The fourth proportional to 56,107.52, 84,146.72 and 16,655.36 is: 24,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,107.52 : 84,146.72 = 16,655.36 : x
  2. Step 2: Convert to fraction form
    56,107.52/84,146.72 = 16,655.36/x
  3. Step 3: Cross multiply
    56,107.52x = 84,146.72 × 16,655.36
  4. Step 4: Simplify right side
    56,107.52x = 1,401,493,914.42
  5. Step 5: Solve for x
    x = 1,401,493,914.42/56,107.52
  6. Step 6: Final answer
    x = 24,978.72

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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.