Home / 70,912.14-97,860.82-39,083.10

Finding the Fourth Proportional to 70,912.14, 97,860.82 and 39,083.10

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Solution

The fourth proportional to 70,912.14, 97,860.82 and 39,083.10 is: 53,935.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,912.14 : 97,860.82 = 39,083.10 : x
  2. Step 2: Convert to fraction form
    70,912.14/97,860.82 = 39,083.10/x
  3. Step 3: Cross multiply
    70,912.14x = 97,860.82 × 39,083.10
  4. Step 4: Simplify right side
    70,912.14x = 3,824,704,214.14
  5. Step 5: Solve for x
    x = 3,824,704,214.14/70,912.14
  6. Step 6: Final answer
    x = 53,935.82

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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.