Home / 93,286.89-128,734.92-50,844.51

Finding the Fourth Proportional to 93,286.89, 128,734.92 and 50,844.51

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Solution

The fourth proportional to 93,286.89, 128,734.92 and 50,844.51 is: 70,164.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,286.89 : 128,734.92 = 50,844.51 : x
  2. Step 2: Convert to fraction form
    93,286.89/128,734.92 = 50,844.51/x
  3. Step 3: Cross multiply
    93,286.89x = 128,734.92 × 50,844.51
  4. Step 4: Simplify right side
    93,286.89x = 6,545,463,927.29
  5. Step 5: Solve for x
    x = 6,545,463,927.29/93,286.89
  6. Step 6: Final answer
    x = 70,164.89

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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.