Home / 70,850.04-97,771.86-39,021.90

Finding the Fourth Proportional to 70,850.04, 97,771.86 and 39,021.90

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Solution

The fourth proportional to 70,850.04, 97,771.86 and 39,021.90 is: 53,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,850.04 : 97,771.86 = 39,021.90 : x
  2. Step 2: Convert to fraction form
    70,850.04/97,771.86 = 39,021.90/x
  3. Step 3: Cross multiply
    70,850.04x = 97,771.86 × 39,021.90
  4. Step 4: Simplify right side
    70,850.04x = 3,815,243,743.73
  5. Step 5: Solve for x
    x = 3,815,243,743.73/70,850.04
  6. Step 6: Final answer
    x = 53,849.56

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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.