Home / 47,273.48-70,910.22-12,215.96

Finding the Fourth Proportional to 47,273.48, 70,910.22 and 12,215.96

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Solution

The fourth proportional to 47,273.48, 70,910.22 and 12,215.96 is: 18,323.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,273.48 : 70,910.22 = 12,215.96 : x
  2. Step 2: Convert to fraction form
    47,273.48/70,910.22 = 12,215.96/x
  3. Step 3: Cross multiply
    47,273.48x = 70,910.22 × 12,215.96
  4. Step 4: Simplify right side
    47,273.48x = 866,236,411.11
  5. Step 5: Solve for x
    x = 866,236,411.11/47,273.48
  6. Step 6: Final answer
    x = 18,323.94

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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.