Home / 47,310.37-70,885.21-28,550.99

Finding the Fourth Proportional to 47,310.37, 70,885.21 and 28,550.99

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Solution

The fourth proportional to 47,310.37, 70,885.21 and 28,550.99 is: 42,777.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,310.37 : 70,885.21 = 28,550.99 : x
  2. Step 2: Convert to fraction form
    47,310.37/70,885.21 = 28,550.99/x
  3. Step 3: Cross multiply
    47,310.37x = 70,885.21 × 28,550.99
  4. Step 4: Simplify right side
    47,310.37x = 2,023,842,496.05
  5. Step 5: Solve for x
    x = 2,023,842,496.05/47,310.37
  6. Step 6: Final answer
    x = 42,777.99

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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.