Home / 93,921.38-141,007.20-54,506.78

Finding the Fourth Proportional to 93,921.38, 141,007.20 and 54,506.78

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Solution

The fourth proportional to 93,921.38, 141,007.20 and 54,506.78 is: 81,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,921.38 : 141,007.20 = 54,506.78 : x
  2. Step 2: Convert to fraction form
    93,921.38/141,007.20 = 54,506.78/x
  3. Step 3: Cross multiply
    93,921.38x = 141,007.20 × 54,506.78
  4. Step 4: Simplify right side
    93,921.38x = 7,685,848,428.82
  5. Step 5: Solve for x
    x = 7,685,848,428.82/93,921.38
  6. Step 6: Final answer
    x = 81,832.79

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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.