Home / 93,579.69-129,137.94-52,743.54

Finding the Fourth Proportional to 93,579.69, 129,137.94 and 52,743.54

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Solution

The fourth proportional to 93,579.69, 129,137.94 and 52,743.54 is: 72,784.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,579.69 : 129,137.94 = 52,743.54 : x
  2. Step 2: Convert to fraction form
    93,579.69/129,137.94 = 52,743.54/x
  3. Step 3: Cross multiply
    93,579.69x = 129,137.94 × 52,743.54
  4. Step 4: Simplify right side
    93,579.69x = 6,811,192,103.91
  5. Step 5: Solve for x
    x = 6,811,192,103.91/93,579.69
  6. Step 6: Final answer
    x = 72,784.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.