Home / 47,147.13-70,744.73-31,363.27

Finding the Fourth Proportional to 47,147.13, 70,744.73 and 31,363.27

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Solution

The fourth proportional to 47,147.13, 70,744.73 and 31,363.27 is: 47,060.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,147.13 : 70,744.73 = 31,363.27 : x
  2. Step 2: Convert to fraction form
    47,147.13/70,744.73 = 31,363.27/x
  3. Step 3: Cross multiply
    47,147.13x = 70,744.73 × 31,363.27
  4. Step 4: Simplify right side
    47,147.13x = 2,218,785,734.39
  5. Step 5: Solve for x
    x = 2,218,785,734.39/47,147.13
  6. Step 6: Final answer
    x = 47,060.89

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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.