Home / 69,912.13-104,857.37-38,337.77

Finding the Fourth Proportional to 69,912.13, 104,857.37 and 38,337.77

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Solution

The fourth proportional to 69,912.13, 104,857.37 and 38,337.77 is: 57,500.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,912.13 : 104,857.37 = 38,337.77 : x
  2. Step 2: Convert to fraction form
    69,912.13/104,857.37 = 38,337.77/x
  3. Step 3: Cross multiply
    69,912.13x = 104,857.37 × 38,337.77
  4. Step 4: Simplify right side
    69,912.13x = 4,019,997,424.85
  5. Step 5: Solve for x
    x = 4,019,997,424.85/69,912.13
  6. Step 6: Final answer
    x = 57,500.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.