Home / 69,770.42-96,281.12-39,558.52

Finding the Fourth Proportional to 69,770.42, 96,281.12 and 39,558.52

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Solution

The fourth proportional to 69,770.42, 96,281.12 and 39,558.52 is: 54,589.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,770.42 : 96,281.12 = 39,558.52 : x
  2. Step 2: Convert to fraction form
    69,770.42/96,281.12 = 39,558.52/x
  3. Step 3: Cross multiply
    69,770.42x = 96,281.12 × 39,558.52
  4. Step 4: Simplify right side
    69,770.42x = 3,808,738,611.14
  5. Step 5: Solve for x
    x = 3,808,738,611.14/69,770.42
  6. Step 6: Final answer
    x = 54,589.59

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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.