Home / 47,685.36-71,528.13-16,520.64

Finding the Fourth Proportional to 47,685.36, 71,528.13 and 16,520.64

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Solution

The fourth proportional to 47,685.36, 71,528.13 and 16,520.64 is: 24,780.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,685.36 : 71,528.13 = 16,520.64 : x
  2. Step 2: Convert to fraction form
    47,685.36/71,528.13 = 16,520.64/x
  3. Step 3: Cross multiply
    47,685.36x = 71,528.13 × 16,520.64
  4. Step 4: Simplify right side
    47,685.36x = 1,181,690,485.60
  5. Step 5: Solve for x
    x = 1,181,690,485.60/47,685.36
  6. Step 6: Final answer
    x = 24,780.99

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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.