Home / 53,912.10-80,882.55-48,108.90

Finding the Fourth Proportional to 53,912.10, 80,882.55 and 48,108.90

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Solution

The fourth proportional to 53,912.10, 80,882.55 and 48,108.90 is: 72,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,912.10 : 80,882.55 = 48,108.90 : x
  2. Step 2: Convert to fraction form
    53,912.10/80,882.55 = 48,108.90/x
  3. Step 3: Cross multiply
    53,912.10x = 80,882.55 × 48,108.90
  4. Step 4: Simplify right side
    53,912.10x = 3,891,170,509.70
  5. Step 5: Solve for x
    x = 3,891,170,509.70/53,912.10
  6. Step 6: Final answer
    x = 72,176.20

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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.