Home / 47,168.92-70,729.02-13,884.66

Finding the Fourth Proportional to 47,168.92, 70,729.02 and 13,884.66

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Solution

The fourth proportional to 47,168.92, 70,729.02 and 13,884.66 is: 20,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,168.92 : 70,729.02 = 13,884.66 : x
  2. Step 2: Convert to fraction form
    47,168.92/70,729.02 = 13,884.66/x
  3. Step 3: Cross multiply
    47,168.92x = 70,729.02 × 13,884.66
  4. Step 4: Simplify right side
    47,168.92x = 982,048,394.83
  5. Step 5: Solve for x
    x = 982,048,394.83/47,168.92
  6. Step 6: Final answer
    x = 20,819.82

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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.