Home / 69,558.32-104,104.20-57,077.84

Finding the Fourth Proportional to 69,558.32, 104,104.20 and 57,077.84

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Solution

The fourth proportional to 69,558.32, 104,104.20 and 57,077.84 is: 85,425.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,558.32 : 104,104.20 = 57,077.84 : x
  2. Step 2: Convert to fraction form
    69,558.32/104,104.20 = 57,077.84/x
  3. Step 3: Cross multiply
    69,558.32x = 104,104.20 × 57,077.84
  4. Step 4: Simplify right side
    69,558.32x = 5,942,042,870.93
  5. Step 5: Solve for x
    x = 5,942,042,870.93/69,558.32
  6. Step 6: Final answer
    x = 85,425.34

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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.