Home / 53,720.85-80,590.01-16,272.15

Finding the Fourth Proportional to 53,720.85, 80,590.01 and 16,272.15

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Solution

The fourth proportional to 53,720.85, 80,590.01 and 16,272.15 is: 24,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,720.85 : 80,590.01 = 16,272.15 : x
  2. Step 2: Convert to fraction form
    53,720.85/80,590.01 = 16,272.15/x
  3. Step 3: Cross multiply
    53,720.85x = 80,590.01 × 16,272.15
  4. Step 4: Simplify right side
    53,720.85x = 1,311,372,731.22
  5. Step 5: Solve for x
    x = 1,311,372,731.22/53,720.85
  6. Step 6: Final answer
    x = 24,410.87

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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.