Home / 90,942.53-125,494.24-50,104.87

Finding the Fourth Proportional to 90,942.53, 125,494.24 and 50,104.87

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Solution

The fourth proportional to 90,942.53, 125,494.24 and 50,104.87 is: 69,141.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,942.53 : 125,494.24 = 50,104.87 : x
  2. Step 2: Convert to fraction form
    90,942.53/125,494.24 = 50,104.87/x
  3. Step 3: Cross multiply
    90,942.53x = 125,494.24 × 50,104.87
  4. Step 4: Simplify right side
    90,942.53x = 6,287,872,330.42
  5. Step 5: Solve for x
    x = 6,287,872,330.42/90,942.53
  6. Step 6: Final answer
    x = 69,141.17

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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.