Home / 47,492.73-71,243.19-12,432.38

Finding the Fourth Proportional to 47,492.73, 71,243.19 and 12,432.38

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Solution

The fourth proportional to 47,492.73, 71,243.19 and 12,432.38 is: 18,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,492.73 : 71,243.19 = 12,432.38 : x
  2. Step 2: Convert to fraction form
    47,492.73/71,243.19 = 12,432.38/x
  3. Step 3: Cross multiply
    47,492.73x = 71,243.19 × 12,432.38
  4. Step 4: Simplify right side
    47,492.73x = 885,722,054.28
  5. Step 5: Solve for x
    x = 885,722,054.28/47,492.73
  6. Step 6: Final answer
    x = 18,649.63

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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.