Home / 54,272.10-81,408.15-50,124.90

Finding the Fourth Proportional to 54,272.10, 81,408.15 and 50,124.90

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Solution

The fourth proportional to 54,272.10, 81,408.15 and 50,124.90 is: 75,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,272.10 : 81,408.15 = 50,124.90 : x
  2. Step 2: Convert to fraction form
    54,272.10/81,408.15 = 50,124.90/x
  3. Step 3: Cross multiply
    54,272.10x = 81,408.15 × 50,124.90
  4. Step 4: Simplify right side
    54,272.10x = 4,080,575,377.94
  5. Step 5: Solve for x
    x = 4,080,575,377.94/54,272.10
  6. Step 6: Final answer
    x = 75,187.35

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1.5x scale

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.