Home / 83,489.44-125,283.30-30,935.56

Finding the Fourth Proportional to 83,489.44, 125,283.30 and 30,935.56

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Solution

The fourth proportional to 83,489.44, 125,283.30 and 30,935.56 is: 46,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,489.44 : 125,283.30 = 30,935.56 : x
  2. Step 2: Convert to fraction form
    83,489.44/125,283.30 = 30,935.56/x
  3. Step 3: Cross multiply
    83,489.44x = 125,283.30 × 30,935.56
  4. Step 4: Simplify right side
    83,489.44x = 3,875,709,044.15
  5. Step 5: Solve for x
    x = 3,875,709,044.15/83,489.44
  6. Step 6: Final answer
    x = 46,421.55

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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.