Home / 70,813.82-97,723.08-38,982.48

Finding the Fourth Proportional to 70,813.82, 97,723.08 and 38,982.48

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Solution

The fourth proportional to 70,813.82, 97,723.08 and 38,982.48 is: 53,795.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,813.82 : 97,723.08 = 38,982.48 : x
  2. Step 2: Convert to fraction form
    70,813.82/97,723.08 = 38,982.48/x
  3. Step 3: Cross multiply
    70,813.82x = 97,723.08 × 38,982.48
  4. Step 4: Simplify right side
    70,813.82x = 3,809,488,011.64
  5. Step 5: Solve for x
    x = 3,809,488,011.64/70,813.82
  6. Step 6: Final answer
    x = 53,795.83

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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.