Home / 91,982.82-137,994.14-27,935.72

Finding the Fourth Proportional to 91,982.82, 137,994.14 and 27,935.72

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Solution

The fourth proportional to 91,982.82, 137,994.14 and 27,935.72 is: 41,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,982.82 : 137,994.14 = 27,935.72 : x
  2. Step 2: Convert to fraction form
    91,982.82/137,994.14 = 27,935.72/x
  3. Step 3: Cross multiply
    91,982.82x = 137,994.14 × 27,935.72
  4. Step 4: Simplify right side
    91,982.82x = 3,854,964,966.71
  5. Step 5: Solve for x
    x = 3,854,964,966.71/91,982.82
  6. Step 6: Final answer
    x = 41,909.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.