Home / 99,958.01-137,852.75-82,935.29

Finding the Fourth Proportional to 99,958.01, 137,852.75 and 82,935.29

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Solution

The fourth proportional to 99,958.01, 137,852.75 and 82,935.29 is: 114,376.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,958.01 : 137,852.75 = 82,935.29 : x
  2. Step 2: Convert to fraction form
    99,958.01/137,852.75 = 82,935.29/x
  3. Step 3: Cross multiply
    99,958.01x = 137,852.75 × 82,935.29
  4. Step 4: Simplify right side
    99,958.01x = 11,432,858,350.52
  5. Step 5: Solve for x
    x = 11,432,858,350.52/99,958.01
  6. Step 6: Final answer
    x = 114,376.62

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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.