Home / 47,661.93-71,487.39-12,604.32

Finding the Fourth Proportional to 47,661.93, 71,487.39 and 12,604.32

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Solution

The fourth proportional to 47,661.93, 71,487.39 and 12,604.32 is: 18,905.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,661.93 : 71,487.39 = 12,604.32 : x
  2. Step 2: Convert to fraction form
    47,661.93/71,487.39 = 12,604.32/x
  3. Step 3: Cross multiply
    47,661.93x = 71,487.39 × 12,604.32
  4. Step 4: Simplify right side
    47,661.93x = 901,049,939.52
  5. Step 5: Solve for x
    x = 901,049,939.52/47,661.93
  6. Step 6: Final answer
    x = 18,905.02

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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.