Home / 47,621.52-71,432.08-12,083.18

Finding the Fourth Proportional to 47,621.52, 71,432.08 and 12,083.18

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Solution

The fourth proportional to 47,621.52, 71,432.08 and 12,083.18 is: 18,124.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,621.52 : 71,432.08 = 12,083.18 : x
  2. Step 2: Convert to fraction form
    47,621.52/71,432.08 = 12,083.18/x
  3. Step 3: Cross multiply
    47,621.52x = 71,432.08 × 12,083.18
  4. Step 4: Simplify right side
    47,621.52x = 863,126,293.05
  5. Step 5: Solve for x
    x = 863,126,293.05/47,621.52
  6. Step 6: Final answer
    x = 18,124.71

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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.