Home / 70,905.49-97,849.11-39,074.42

Finding the Fourth Proportional to 70,905.49, 97,849.11 and 39,074.42

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Solution

The fourth proportional to 70,905.49, 97,849.11 and 39,074.42 is: 53,922.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,905.49 : 97,849.11 = 39,074.42 : x
  2. Step 2: Convert to fraction form
    70,905.49/97,849.11 = 39,074.42/x
  3. Step 3: Cross multiply
    70,905.49x = 97,849.11 × 39,074.42
  4. Step 4: Simplify right side
    70,905.49x = 3,823,397,061.52
  5. Step 5: Solve for x
    x = 3,823,397,061.52/70,905.49
  6. Step 6: Final answer
    x = 53,922.44

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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.