Home / 93,855.14-129,488.39-53,540.52

Finding the Fourth Proportional to 93,855.14, 129,488.39 and 53,540.52

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Solution

The fourth proportional to 93,855.14, 129,488.39 and 53,540.52 is: 73,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,855.14 : 129,488.39 = 53,540.52 : x
  2. Step 2: Convert to fraction form
    93,855.14/129,488.39 = 53,540.52/x
  3. Step 3: Cross multiply
    93,855.14x = 129,488.39 × 53,540.52
  4. Step 4: Simplify right side
    93,855.14x = 6,932,875,734.56
  5. Step 5: Solve for x
    x = 6,932,875,734.56/93,855.14
  6. Step 6: Final answer
    x = 73,867.83

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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.