Home / 53,625.41-80,438.10-18,565.05

Finding the Fourth Proportional to 53,625.41, 80,438.10 and 18,565.05

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Solution

The fourth proportional to 53,625.41, 80,438.10 and 18,565.05 is: 27,847.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,625.41 : 80,438.10 = 18,565.05 : x
  2. Step 2: Convert to fraction form
    53,625.41/80,438.10 = 18,565.05/x
  3. Step 3: Cross multiply
    53,625.41x = 80,438.10 × 18,565.05
  4. Step 4: Simplify right side
    53,625.41x = 1,493,337,348.41
  5. Step 5: Solve for x
    x = 1,493,337,348.41/53,625.41
  6. Step 6: Final answer
    x = 27,847.57

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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.