Home / 53,176.86-79,760.43-16,240.86

Finding the Fourth Proportional to 53,176.86, 79,760.43 and 16,240.86

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Solution

The fourth proportional to 53,176.86, 79,760.43 and 16,240.86 is: 24,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,176.86 : 79,760.43 = 16,240.86 : x
  2. Step 2: Convert to fraction form
    53,176.86/79,760.43 = 16,240.86/x
  3. Step 3: Cross multiply
    53,176.86x = 79,760.43 × 16,240.86
  4. Step 4: Simplify right side
    53,176.86x = 1,295,377,977.17
  5. Step 5: Solve for x
    x = 1,295,377,977.17/53,176.86
  6. Step 6: Final answer
    x = 24,359.81

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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.