Home / 69,814.72-96,344.46-39,590.44

Finding the Fourth Proportional to 69,814.72, 96,344.46 and 39,590.44

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Solution

The fourth proportional to 69,814.72, 96,344.46 and 39,590.44 is: 54,634.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,814.72 : 96,344.46 = 39,590.44 : x
  2. Step 2: Convert to fraction form
    69,814.72/96,344.46 = 39,590.44/x
  3. Step 3: Cross multiply
    69,814.72x = 96,344.46 × 39,590.44
  4. Step 4: Simplify right side
    69,814.72x = 3,814,319,562.96
  5. Step 5: Solve for x
    x = 3,814,319,562.96/69,814.72
  6. Step 6: Final answer
    x = 54,634.89

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1.5x scale

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.