Home / 47,846.05-71,760.77-12,777.50

Finding the Fourth Proportional to 47,846.05, 71,760.77 and 12,777.50

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Solution

The fourth proportional to 47,846.05, 71,760.77 and 12,777.50 is: 19,164.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,846.05 : 71,760.77 = 12,777.50 : x
  2. Step 2: Convert to fraction form
    47,846.05/71,760.77 = 12,777.50/x
  3. Step 3: Cross multiply
    47,846.05x = 71,760.77 × 12,777.50
  4. Step 4: Simplify right side
    47,846.05x = 916,923,402.11
  5. Step 5: Solve for x
    x = 916,923,402.11/47,846.05
  6. Step 6: Final answer
    x = 19,164.04

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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.