Home / 93,391.21-128,881.32-50,949.74

Finding the Fourth Proportional to 93,391.21, 128,881.32 and 50,949.74

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Solution

The fourth proportional to 93,391.21, 128,881.32 and 50,949.74 is: 70,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,391.21 : 128,881.32 = 50,949.74 : x
  2. Step 2: Convert to fraction form
    93,391.21/128,881.32 = 50,949.74/x
  3. Step 3: Cross multiply
    93,391.21x = 128,881.32 × 50,949.74
  4. Step 4: Simplify right side
    93,391.21x = 6,566,469,876.00
  5. Step 5: Solve for x
    x = 6,566,469,876.00/93,391.21
  6. Step 6: Final answer
    x = 70,311.43

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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.