Home / 51,906.20-77,859.30-48,450.20

Finding the Fourth Proportional to 51,906.20, 77,859.30 and 48,450.20

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Solution

The fourth proportional to 51,906.20, 77,859.30 and 48,450.20 is: 72,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,906.20 : 77,859.30 = 48,450.20 : x
  2. Step 2: Convert to fraction form
    51,906.20/77,859.30 = 48,450.20/x
  3. Step 3: Cross multiply
    51,906.20x = 77,859.30 × 48,450.20
  4. Step 4: Simplify right side
    51,906.20x = 3,772,298,656.86
  5. Step 5: Solve for x
    x = 3,772,298,656.86/51,906.20
  6. Step 6: Final answer
    x = 72,675.30

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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.