Home / 93,257.38-128,694.99-50,815.81

Finding the Fourth Proportional to 93,257.38, 128,694.99 and 50,815.81

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Solution

The fourth proportional to 93,257.38, 128,694.99 and 50,815.81 is: 70,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,257.38 : 128,694.99 = 50,815.81 : x
  2. Step 2: Convert to fraction form
    93,257.38/128,694.99 = 50,815.81/x
  3. Step 3: Cross multiply
    93,257.38x = 128,694.99 × 50,815.81
  4. Step 4: Simplify right side
    93,257.38x = 6,539,740,159.79
  5. Step 5: Solve for x
    x = 6,539,740,159.79/93,257.38
  6. Step 6: Final answer
    x = 70,125.71

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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.