Home / 47,273.54-70,885.22-13,989.02

Finding the Fourth Proportional to 47,273.54, 70,885.22 and 13,989.02

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Solution

The fourth proportional to 47,273.54, 70,885.22 and 13,989.02 is: 20,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,273.54 : 70,885.22 = 13,989.02 : x
  2. Step 2: Convert to fraction form
    47,273.54/70,885.22 = 13,989.02/x
  3. Step 3: Cross multiply
    47,273.54x = 70,885.22 × 13,989.02
  4. Step 4: Simplify right side
    47,273.54x = 991,614,760.28
  5. Step 5: Solve for x
    x = 991,614,760.28/47,273.54
  6. Step 6: Final answer
    x = 20,976.11

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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.