Home / 47,563.12-71,345.22-12,506.32

Finding the Fourth Proportional to 47,563.12, 71,345.22 and 12,506.32

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Solution

The fourth proportional to 47,563.12, 71,345.22 and 12,506.32 is: 18,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,563.12 : 71,345.22 = 12,506.32 : x
  2. Step 2: Convert to fraction form
    47,563.12/71,345.22 = 12,506.32/x
  3. Step 3: Cross multiply
    47,563.12x = 71,345.22 × 12,506.32
  4. Step 4: Simplify right side
    47,563.12x = 892,266,151.79
  5. Step 5: Solve for x
    x = 892,266,151.79/47,563.12
  6. Step 6: Final answer
    x = 18,759.62

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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.