Home / 93,183.20-128,575.31-54,954.79

Finding the Fourth Proportional to 93,183.20, 128,575.31 and 54,954.79

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Solution

The fourth proportional to 93,183.20, 128,575.31 and 54,954.79 is: 75,827.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,183.20 : 128,575.31 = 54,954.79 : x
  2. Step 2: Convert to fraction form
    93,183.20/128,575.31 = 54,954.79/x
  3. Step 3: Cross multiply
    93,183.20x = 128,575.31 × 54,954.79
  4. Step 4: Simplify right side
    93,183.20x = 7,065,829,160.23
  5. Step 5: Solve for x
    x = 7,065,829,160.23/93,183.20
  6. Step 6: Final answer
    x = 75,827.29

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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.