Home / 117,739.20-176,493.60-47,524.80

Finding the Fourth Proportional to 117,739.20, 176,493.60 and 47,524.80

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Solution

The fourth proportional to 117,739.20, 176,493.60 and 47,524.80 is: 71,240.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,739.20 : 176,493.60 = 47,524.80 : x
  2. Step 2: Convert to fraction form
    117,739.20/176,493.60 = 47,524.80/x
  3. Step 3: Cross multiply
    117,739.20x = 176,493.60 × 47,524.80
  4. Step 4: Simplify right side
    117,739.20x = 8,387,823,041.28
  5. Step 5: Solve for x
    x = 8,387,823,041.28/117,739.20
  6. Step 6: Final answer
    x = 71,240.70

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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.