Home / 50,820.20-76,230.30-47,133.80

Finding the Fourth Proportional to 50,820.20, 76,230.30 and 47,133.80

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Solution

The fourth proportional to 50,820.20, 76,230.30 and 47,133.80 is: 70,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,820.20 : 76,230.30 = 47,133.80 : x
  2. Step 2: Convert to fraction form
    50,820.20/76,230.30 = 47,133.80/x
  3. Step 3: Cross multiply
    50,820.20x = 76,230.30 × 47,133.80
  4. Step 4: Simplify right side
    50,820.20x = 3,593,023,714.14
  5. Step 5: Solve for x
    x = 3,593,023,714.14/50,820.20
  6. Step 6: Final answer
    x = 70,700.70

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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.