Home / 93,919.38-141,004.20-54,504.78

Finding the Fourth Proportional to 93,919.38, 141,004.20 and 54,504.78

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Solution

The fourth proportional to 93,919.38, 141,004.20 and 54,504.78 is: 81,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,919.38 : 141,004.20 = 54,504.78 : x
  2. Step 2: Convert to fraction form
    93,919.38/141,004.20 = 54,504.78/x
  3. Step 3: Cross multiply
    93,919.38x = 141,004.20 × 54,504.78
  4. Step 4: Simplify right side
    93,919.38x = 7,685,402,900.08
  5. Step 5: Solve for x
    x = 7,685,402,900.08/93,919.38
  6. Step 6: Final answer
    x = 81,829.79

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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.