Home / 93,176.78-128,579.94-50,735.61

Finding the Fourth Proportional to 93,176.78, 128,579.94 and 50,735.61

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Solution

The fourth proportional to 93,176.78, 128,579.94 and 50,735.61 is: 70,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,176.78 : 128,579.94 = 50,735.61 : x
  2. Step 2: Convert to fraction form
    93,176.78/128,579.94 = 50,735.61/x
  3. Step 3: Cross multiply
    93,176.78x = 128,579.94 × 50,735.61
  4. Step 4: Simplify right side
    93,176.78x = 6,523,581,689.66
  5. Step 5: Solve for x
    x = 6,523,581,689.66/93,176.78
  6. Step 6: Final answer
    x = 70,012.96

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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.