Home / 47,203.90-70,816.27-15,623.80

Finding the Fourth Proportional to 47,203.90, 70,816.27 and 15,623.80

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Solution

The fourth proportional to 47,203.90, 70,816.27 and 15,623.80 is: 23,439.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,203.90 : 70,816.27 = 15,623.80 : x
  2. Step 2: Convert to fraction form
    47,203.90/70,816.27 = 15,623.80/x
  3. Step 3: Cross multiply
    47,203.90x = 70,816.27 × 15,623.80
  4. Step 4: Simplify right side
    47,203.90x = 1,106,419,239.23
  5. Step 5: Solve for x
    x = 1,106,419,239.23/47,203.90
  6. Step 6: Final answer
    x = 23,439.15

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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.