Home / 69,732.90-96,231.12-39,523.96

Finding the Fourth Proportional to 69,732.90, 96,231.12 and 39,523.96

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Solution

The fourth proportional to 69,732.90, 96,231.12 and 39,523.96 is: 54,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,732.90 : 96,231.12 = 39,523.96 : x
  2. Step 2: Convert to fraction form
    69,732.90/96,231.12 = 39,523.96/x
  3. Step 3: Cross multiply
    69,732.90x = 96,231.12 × 39,523.96
  4. Step 4: Simplify right side
    69,732.90x = 3,803,434,937.64
  5. Step 5: Solve for x
    x = 3,803,434,937.64/69,732.90
  6. Step 6: Final answer
    x = 54,542.90

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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.