Home / 83,787.40-125,583.90-33,842.80

Finding the Fourth Proportional to 83,787.40, 125,583.90 and 33,842.80

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Solution

The fourth proportional to 83,787.40, 125,583.90 and 33,842.80 is: 50,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,787.40 : 125,583.90 = 33,842.80 : x
  2. Step 2: Convert to fraction form
    83,787.40/125,583.90 = 33,842.80/x
  3. Step 3: Cross multiply
    83,787.40x = 125,583.90 × 33,842.80
  4. Step 4: Simplify right side
    83,787.40x = 4,250,110,810.92
  5. Step 5: Solve for x
    x = 4,250,110,810.92/83,787.40
  6. Step 6: Final answer
    x = 50,724.94

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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.