Home / 47,609.40-71,414.10-12,552.60

Finding the Fourth Proportional to 47,609.40, 71,414.10 and 12,552.60

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Solution

The fourth proportional to 47,609.40, 71,414.10 and 12,552.60 is: 18,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,609.40 : 71,414.10 = 12,552.60 : x
  2. Step 2: Convert to fraction form
    47,609.40/71,414.10 = 12,552.60/x
  3. Step 3: Cross multiply
    47,609.40x = 71,414.10 × 12,552.60
  4. Step 4: Simplify right side
    47,609.40x = 896,432,631.66
  5. Step 5: Solve for x
    x = 896,432,631.66/47,609.40
  6. Step 6: Final answer
    x = 18,828.90

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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.