Home / 69,573.75-96,011.79-39,358.43

Finding the Fourth Proportional to 69,573.75, 96,011.79 and 39,358.43

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Solution

The fourth proportional to 69,573.75, 96,011.79 and 39,358.43 is: 54,314.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,573.75 : 96,011.79 = 39,358.43 : x
  2. Step 2: Convert to fraction form
    69,573.75/96,011.79 = 39,358.43/x
  3. Step 3: Cross multiply
    69,573.75x = 96,011.79 × 39,358.43
  4. Step 4: Simplify right side
    69,573.75x = 3,778,873,315.89
  5. Step 5: Solve for x
    x = 3,778,873,315.89/69,573.75
  6. Step 6: Final answer
    x = 54,314.64

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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.