Home / 47,223.61-70,843.10-13,947.03

Finding the Fourth Proportional to 47,223.61, 70,843.10 and 13,947.03

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Solution

The fourth proportional to 47,223.61, 70,843.10 and 13,947.03 is: 20,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,223.61 : 70,843.10 = 13,947.03 : x
  2. Step 2: Convert to fraction form
    47,223.61/70,843.10 = 13,947.03/x
  3. Step 3: Cross multiply
    47,223.61x = 70,843.10 × 13,947.03
  4. Step 4: Simplify right side
    47,223.61x = 988,050,771.26
  5. Step 5: Solve for x
    x = 988,050,771.26/47,223.61
  6. Step 6: Final answer
    x = 20,922.81

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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.