Home / 93,380.91-128,865.49-50,939.43

Finding the Fourth Proportional to 93,380.91, 128,865.49 and 50,939.43

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Solution

The fourth proportional to 93,380.91, 128,865.49 and 50,939.43 is: 70,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,380.91 : 128,865.49 = 50,939.43 : x
  2. Step 2: Convert to fraction form
    93,380.91/128,865.49 = 50,939.43/x
  3. Step 3: Cross multiply
    93,380.91x = 128,865.49 × 50,939.43
  4. Step 4: Simplify right side
    93,380.91x = 6,564,334,607.27
  5. Step 5: Solve for x
    x = 6,564,334,607.27/93,380.91
  6. Step 6: Final answer
    x = 70,296.32

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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.