Home / 93,418.56-128,917.76-50,977.92

Finding the Fourth Proportional to 93,418.56, 128,917.76 and 50,977.92

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Solution

The fourth proportional to 93,418.56, 128,917.76 and 50,977.92 is: 70,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,418.56 : 128,917.76 = 50,977.92 : x
  2. Step 2: Convert to fraction form
    93,418.56/128,917.76 = 50,977.92/x
  3. Step 3: Cross multiply
    93,418.56x = 128,917.76 × 50,977.92
  4. Step 4: Simplify right side
    93,418.56x = 6,571,959,255.86
  5. Step 5: Solve for x
    x = 6,571,959,255.86/93,418.56
  6. Step 6: Final answer
    x = 70,349.61

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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.