Home / 118,884.45-178,285.32-47,785.98

Finding the Fourth Proportional to 118,884.45, 178,285.32 and 47,785.98

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Solution

The fourth proportional to 118,884.45, 178,285.32 and 47,785.98 is: 71,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,884.45 : 178,285.32 = 47,785.98 : x
  2. Step 2: Convert to fraction form
    118,884.45/178,285.32 = 47,785.98/x
  3. Step 3: Cross multiply
    118,884.45x = 178,285.32 × 47,785.98
  4. Step 4: Simplify right side
    118,884.45x = 8,519,538,735.81
  5. Step 5: Solve for x
    x = 8,519,538,735.81/118,884.45
  6. Step 6: Final answer
    x = 71,662.35

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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.