Home / 70,949.82-97,911.42-39,119.85

Finding the Fourth Proportional to 70,949.82, 97,911.42 and 39,119.85

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Solution

The fourth proportional to 70,949.82, 97,911.42 and 39,119.85 is: 53,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,949.82 : 97,911.42 = 39,119.85 : x
  2. Step 2: Convert to fraction form
    70,949.82/97,911.42 = 39,119.85/x
  3. Step 3: Cross multiply
    70,949.82x = 97,911.42 × 39,119.85
  4. Step 4: Simplify right side
    70,949.82x = 3,830,280,063.69
  5. Step 5: Solve for x
    x = 3,830,280,063.69/70,949.82
  6. Step 6: Final answer
    x = 53,985.76

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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.