Home / 53,908.10-80,862.15-50,408.90

Finding the Fourth Proportional to 53,908.10, 80,862.15 and 50,408.90

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Solution

The fourth proportional to 53,908.10, 80,862.15 and 50,408.90 is: 75,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,908.10 : 80,862.15 = 50,408.90 : x
  2. Step 2: Convert to fraction form
    53,908.10/80,862.15 = 50,408.90/x
  3. Step 3: Cross multiply
    53,908.10x = 80,862.15 × 50,408.90
  4. Step 4: Simplify right side
    53,908.10x = 4,076,172,033.14
  5. Step 5: Solve for x
    x = 4,076,172,033.14/53,908.10
  6. Step 6: Final answer
    x = 75,613.35

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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.