Home / 47,100.76-70,650.96-12,040.36

Finding the Fourth Proportional to 47,100.76, 70,650.96 and 12,040.36

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Solution

The fourth proportional to 47,100.76, 70,650.96 and 12,040.36 is: 18,060.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,100.76 : 70,650.96 = 12,040.36 : x
  2. Step 2: Convert to fraction form
    47,100.76/70,650.96 = 12,040.36/x
  3. Step 3: Cross multiply
    47,100.76x = 70,650.96 × 12,040.36
  4. Step 4: Simplify right side
    47,100.76x = 850,662,992.75
  5. Step 5: Solve for x
    x = 850,662,992.75/47,100.76
  6. Step 6: Final answer
    x = 18,060.49

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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.